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Stock-Based Compensation - Schedule of Units Granted by Fair Values (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value	$ 16.1	$ 7.3
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value	$ 15.8	$ 7.2

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details

Acquisitions and Divestitures - Schedule of Purchase Price Allocation (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026	Dec. 10, 2025
Assets
Goodwill	$ 833.3	$ 958.0
Steelcase Inc
Assets
Cash and cash equivalents			$ 429.3
Restricted cash			7.3
Receivables			393.4
Inventories			351.4
Prepaid expenses and other current assets			110.3
Property, plant, and equipment			551.8
Right-of-use operating leases			175.2
Goodwill			391.2
Identified intangible assets			871.0
Other assets			229.6
Total Assets			3,510.5
Liabilities
Accounts payable and accrued expenses			709.7
Current lease obligations – operating			43.7
Long Term Debt			437.5
Long-term lease obligations – operating			130.4
Other long-term liabilities			129.7
Deferred income taxes			137.2
Total Liabilities			1,588.1
Net Assets and Liabilities			$ 1,922.3

Revenue from Contracts with Customers

6 Months Ended

Jul. 04, 2026

Revenue from Contract with Customer [Abstract]

Revenue from Contracts with Customers

Disaggregation of Revenue

Revenue from contracts with customers disaggregated by product category is as follows:


	Three Months Ended				Six Months Ended
	July 4, 2026		June 28, 2025		July 4, 2026		June 28, 2025
Systems, storage, and tables	$	594.9	$	322.0	$	1,157.8	$	597.2
Seating	343.7		149.7		655.7		283.3
Education	170.6		20.8		245.9		28.6
Other(1)	214.5		23.4		449.9		47.9
Total workplace furnishings	1,323.7		516.0		2,509.2		957.0

Residential building products	148.7		151.1		310.8		309.8
Net sales	$	1,472.4	$	667.1	$	2,819.9	$	1,266.8

(1) The other category consists of architectural products, workspace accessories, and miscellaneous product lines and services.

Sales by product category are subject to similar economic factors and market conditions. See "Note 14. Reportable Segment Information" for further information about operating segments.

The increase in Workplace Furnishings net sales in the current year period was driven by the acquisition of Steelcase in December 2025. See "Note 3. Acquisition and Divestitures" for further information.

Contract Liabilities

The Corporation has contract liabilities consisting of customer deposits included in "Accounts payable and accrued expenses" in the Condensed Consolidated Balance Sheets as follows:


	July 4, 2026		January 3, 2026
Contract liabilities - Customer deposits	$	89.0	$	102.9

Contract liabilities for customer deposits paid to the Corporation prior to the satisfaction of performance obligations are recognized as revenue upon completion of the performance obligations. The contract liability balance related to customer deposits was $102.9 million as of January 3, 2026, of which $87.4 million was recognized as revenue in the six-months ended July 4, 2026.

In addition to trade receivables, the Corporation has other assets consisting of funds paid up-front to certain workplace furnishings dealers in exchange for their multi-year commitment to market and sell the Corporation’s products. These assets are amortized over the term of the contracts and recognized as a reduction of revenue and are as follows in the Condensed Consolidated Balance Sheets:


	July 4, 2026		January 3, 2026
Current - Prepaid expenses and other current assets	$	5.1	$	3.1
Long Term - Other assets	$	57.8	$	26.3

The increase in assets in the current year was driven by additional investments in workplace furnishings dealers.

- Definition

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

+ References

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+ Details

Basis of Presentation	6 Months Ended
Basis of Presentation	Jul. 04, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The accompanying unaudited, condensed consolidated financial statements of HNI Corporation (individually and together with its consolidated subsidiaries, the "Corporation" or "HNI") have been prepared in accordance with generally accepted accounting principles ("GAAP") for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements. The January 3, 2026 consolidated balance sheet included in this Form 10-Q was derived from audited financial statements but does not include all disclosures required by GAAP. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair statement have been included. Operating results for the six-months ended July 4, 2026 are not necessarily indicative of the results expected for the fiscal year ending January 2, 2027 or for any other period. For further information, refer to the consolidated financial statements and accompanying notes included in the Corporation's Annual Report on Form 10-K for the fiscal year ended January 3, 2026 filed with the Securities and Exchange Commission. All dollar amounts presented are in millions, except per share data or where otherwise indicated. Amounts may not sum due to rounding. On December 10, 2025, the Corporation acquired Steelcase Inc. ("Steelcase"). The Corporation included the financial results of Steelcase in the Condensed Consolidated Financial Statements starting as of the date of acquisition. References to "legacy" HNI businesses in this report exclude the acquisition of Steelcase and its impact on the Corporation's businesses. See "Note 3. Acquisition and Divestitures" for further information. Certain reclassifications have been made with the financial statements to conform to the current period presentation.

Fair Value Measurements of Financial Instruments (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents (including money market funds)	$ 105.0	$ 209.2
Restricted cash	7.7	8.8
Foreign Exchange Forward
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial instruments - asset	0.1	2.2
Derivative liability	(0.9)	(0.4)
Interest rate swap
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	(0.8)	(2.0)
Put option liability
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	(5.6)	(5.6)
Mutual funds
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	8.0	11.7
Government securities
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	8.8	7.0
Corporate bonds
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	5.6	6.5
Auction Rate Securities
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	2.7	2.7
Quoted prices in active markets for identical assets (Level 1)
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents (including money market funds)	105.0	209.2
Restricted cash	7.7	8.8
Quoted prices in active markets for identical assets (Level 1) \| Foreign Exchange Forward
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial instruments - asset	0.0	0.0
Derivative liability	0.0	0.0
Quoted prices in active markets for identical assets (Level 1) \| Interest rate swap
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	0.0	0.0
Quoted prices in active markets for identical assets (Level 1) \| Put option liability
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	0.0	0.0
Quoted prices in active markets for identical assets (Level 1) \| Mutual funds
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	8.0	11.7
Quoted prices in active markets for identical assets (Level 1) \| Government securities
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	0.0	0.0
Quoted prices in active markets for identical assets (Level 1) \| Corporate bonds
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	0.0	0.0
Quoted prices in active markets for identical assets (Level 1) \| Auction Rate Securities
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	0.0	0.0
Significant other observable inputs (Level 2)
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents (including money market funds)	0.0	0.0
Restricted cash	0.0	0.0
Significant other observable inputs (Level 2) \| Foreign Exchange Forward
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial instruments - asset	0.1	2.2
Derivative liability	(0.9)	(0.4)
Significant other observable inputs (Level 2) \| Interest rate swap
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	(0.8)	(2.0)
Significant other observable inputs (Level 2) \| Put option liability
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	0.0	0.0
Significant other observable inputs (Level 2) \| Mutual funds
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	0.0	0.0
Significant other observable inputs (Level 2) \| Government securities
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	8.8	7.0
Significant other observable inputs (Level 2) \| Corporate bonds
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	5.6	6.5
Significant other observable inputs (Level 2) \| Auction Rate Securities
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	0.0	0.0
Significant unobservable inputs (Level 3)
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents (including money market funds)	0.0	0.0
Restricted cash	0.0	0.0
Significant unobservable inputs (Level 3) \| Foreign Exchange Forward
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial instruments - asset	0.0	0.0
Derivative liability	0.0	0.0
Significant unobservable inputs (Level 3) \| Interest rate swap
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	0.0	0.0
Significant unobservable inputs (Level 3) \| Put option liability
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability	(5.6)	(5.6)
Significant unobservable inputs (Level 3) \| Mutual funds
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	0.0	0.0
Significant unobservable inputs (Level 3) \| Government securities
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	0.0	0.0
Significant unobservable inputs (Level 3) \| Corporate bonds
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	0.0	0.0
Significant unobservable inputs (Level 3) \| Auction Rate Securities
Fair Value Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	$ 2.7	$ 2.7

Earnings Per Share - Narrative (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive shares from stock-based compensation plans (in shares)	0.0	1.0	0.0	1.0
Kimball International, Inc \| Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total number of shares for cash consideration (in shares)			25.2

Reportable Segment Information - Narrative (Details)	6 Months Ended
Reportable Segment Information - Narrative (Details)	Jul. 04, 2026 segment
Segment Reporting [Abstract]
Number of reportable segments	2

Acquisitions and Divestitures - Schedule of Acquired Identifiable Assets and Weighted Average Useful Life (Details) - Steelcase Inc $ in Millions	Dec. 10, 2025 USD ($)
Business Combination [Line Items]
Identified intangible assets	$ 871.0
Intangible assets, net	871.0
Trademarks and trade names
Business Combination [Line Items]
Indefinite-lived	$ 286.0
Customer lists
Business Combination [Line Items]
Weighted-average useful life	12 years 8 months 12 days
Identified intangible assets	$ 330.0
Trademarks and trade names
Business Combination [Line Items]
Weighted-average useful life	10 years
Identified intangible assets	$ 36.0
Software
Business Combination [Line Items]
Weighted-average useful life	5 years
Identified intangible assets	$ 90.0
Acquired technology
Business Combination [Line Items]
Weighted-average useful life	6 years
Identified intangible assets	$ 99.0
Backlog
Business Combination [Line Items]
Weighted-average useful life	1 year
Identified intangible assets	$ 30.0

Debt

6 Months Ended

Jul. 04, 2026

Debt Disclosure [Abstract]

Debt

Debt is as follows:


	July 4, 2026		January 3, 2026
Revolving credit facility with interest at a variable rate (July 4, 2026 - 5.3 %; January 3, 2026 - 5.3 %)	$	103.0	$	15.0
Term Loan A with interest at a variable rate (July 4, 2026 - 5.3%; January 3, 2026 - 5.2%)	345.6		350.0
Term Loan B with interest at a variable rate (July 4, 2026 - 5.4%; January 3, 2026 - 5.8%)	497.5		500.0
Public Notes with fixed rates due in 2029 with an interest rate of 5.125%	450.0		450.0
Other amounts	—		2.4
Deferred debt issuance costs	(20.9)		(24.3)
Total debt	1,375.2		1,293.1
Less: Current maturities of debt	18.1		16.2
Long-term debt	$	1,357.1	$	1,276.9

The aggregate carrying value of the Corporation’s variable-rate, long-term debt obligations under the revolving credit and term loan facilities at July 4, 2026 was $946 million, which approximated fair value. The fair value of the public notes was estimated based on a discounted cash flow method (Level 2) to be $443 million at July 4, 2026.

Credit Facilities for Merger Agreement Transactions

On September 5, 2025, in connection with the acquisition of Steelcase, the Corporation entered into a Credit Agreement, by and among the Corporation, certain domestic subsidiaries of the Corporation, the lenders from time-to-time party thereto, Wells Fargo Bank, National Association, as administrative agent, and other parties named therein (as amended, restated, supplemented or otherwise modified by time to time, including by Amendment No. 1 to Credit Agreement, dated as of November 5, 2025, and Amendment No. 2 to Credit Agreement, dated as of December 10, 2025, the “Credit Agreement”). The Credit Agreement establishes (i) a senior secured revolving credit facility (the “Revolving Facility,” and the loans thereunder, the “Revolving Loans”), (ii) a senior secured “term loan A” credit facility (the “TLA Facility,” and the loans thereunder, the “Term A Loans”) and (iii) a senior secured “term loan B” credit facility (the “TLB Facility,” and the loans thereunder, the “Term B Loans”). Upon completion of the Steelcase acquisition on December 10, 2025 (the "Closing Date"), the Corporation executed borrowings under these Credit Agreement facilities, which were used primarily to repay and retire outstanding credit facilities and to fund the completion of the Steelcase acquisition.

On June 10, 2026, the Corporation entered into Amendment No. 3 to Credit Agreement (“Amendment No. 3”). Amendment No. 3 provides for a new $499 million tranche of term loans maturing in 2032 (the “Replacement Term B Loans”), the proceeds of which were used to refinance all outstanding Term B Loans. Substantially all terms and conditions of the Credit Agreement were unchanged by Amendment No. 3 other than the Applicable Percentage for the 2026 Refinancing Term B Loans.

Revolving Credit Facility

As of July 4, 2026, the Corporation had $103.0 million of borrowings outstanding under the $425 million Revolving Facility. The Revolving Facility has a scheduled maturity date of the earlier of (a) 5 years after the closing date of the Steelcase acquisition or December 10, 2030 or (b) a customary springing maturity date. The entire amount drawn under the Revolving Facility is considered long-term as the Corporation assumes no obligation to repay any of the amounts borrowed in the next twelve months. The Corporation can access the full $425 million of borrowing capacity available under the Revolving Facility, which includes the $103.0 million of borrowings outstanding as of July 4, 2026, and maintain compliance with the financial covenants under the Credit Agreement, described below.

The Corporation deferred the related debt issuance costs for the Credit Agreement. The proportionate share of deferred debt issuance costs related to the Revolving Facility are classified as assets, and the Corporation is amortizing such costs over the term of Revolving Facility. The current portion of the Revolving Facility deferred debt issuance costs of $0.5 million is the amount to be amortized over the next twelve months and is reflected in "Prepaid expenses and other current assets" in the

Condensed Consolidated Balance Sheets. The long-term portion of the Revolving Facility deferred debt issuance costs of $1.8 million is reflected in "Other Assets" in the Condensed Consolidated Balance Sheets.

In addition to cash flows from operations, the Revolving Facility under the Credit Agreement is the primary source of daily operating capital for the Corporation and provides additional financial capacity for capital expenditures, repurchases of common stock, and strategic initiatives, such as acquisitions.

TLA Facility

As of July 4, 2026, the Corporation had $345.6 million of borrowings outstanding under the TLA Facility. The TLA Facility has a scheduled maturity date of the earlier of (a) 5 years after the closing date of the Steelcase acquisition or December 10, 2030 (the “TLA Maturity Date”) or (b) a customary springing maturity date. The TLA Facility is subject to principal amortization which began on the last business day of March 2026 with quarterly principal payments due thereafter through the TLA Maturity Date. The quarterly amortization payments are equal to the following amounts of the original principal amount of the Term A Loans: (i) 0.625% for the first four full fiscal quarters after the Closing Date; (ii) 1.25% for the fifth through twelfth full fiscal quarters after the Closing Date (iii) 1.875% for the thirteenth through sixteenth full fiscal quarters after the Closing Date; and (iv) 2.5% for the seventeenth full fiscal quarter after the Closing Date through the TLA Maturity Date.

The Corporation deferred the related debt issuance costs for the Credit Agreement. The proportionate share of deferred debt issuance costs related to the TLA Facility, which are classified as a reduction of long-term debt, are being amortized over the term of the TLA Facility. The TLA Facility deferred debt issuance costs do not reduce the amount owed by the Corporation under the TLA Loans. As of July 4, 2026, the TLA Facility deferred debt issuance costs balance of $1.8 million are reflected as a reduction to "Long-Term Debt" in the Condensed Consolidated Balance Sheets.

TLB Facility

As of July 4, 2026, the Corporation had $497.5 million principal amount of borrowings outstanding under the TLB Facility. Under Amendment No. 3 to the Credit Agreement, on June 10, 2026, all previously outstanding Term B Loans were refinanced and replaced with the 2026 Replacement Term B Loans, constituting a new $499 million tranche of term loans. Remaining terms of the TLB Facility were substantially unchanged. The TLB Facility continues to have a scheduled maturity date of (a) 7 years after the closing date of the Steelcase acquisition or December 10, 2032 (the “TLB Maturity Date”) or (b) a customary springing maturity date. The TLB Facility is subject to principal amortization which began on the last business day of March 2026 with quarterly principal payments due thereafter through the TLB Maturity Date. The quarterly amortization payments are in equal amounts of 0.25% of the original principal amount of the 2026 Replacement Term B Loans for each full fiscal quarter following the execution of Amendment No. 3 through the TLB Maturity Date.

The Corporation deferred the related debt issuance costs for the Credit Agreement. The proportionate share of deferred debt issuance costs related to the TLB Facility, which are classified as a reduction of long-term debt, are being amortized over the term of the TLB Facility. The refinancing of the TLB Facility in June 2026 was treated as a partial extinguishment, as a result, a portion of the previously deferred debt issuance costs were recognized as Interest Expense in the Condensed Consolidated Statements of Comprehensive Income during the current period. The TLB Facility deferred debt issuance costs do not reduce the amount owed by the Corporation under the 2026 Replacement Term B Loans. As of July 4, 2026, the TLB Facility deferred debt issuance costs balance of $8.0 million is reflected as a reduction to "Long-Term Debt" in the Condensed Consolidated Balance Sheets.

Credit Agreement and Debt Covenants

The Credit Agreement contains customary representations and warranties by the Corporation, which include customary materiality, material adverse effect and knowledge qualifiers. The Credit Agreement also contains customary affirmative and negative covenants including, among other requirements, limitations relating to indebtedness, liens, changes to nature of business, mergers, sale of assets and indebtedness of subsidiaries, advances, investments and loans, transactions with affiliates, changes to fiscal year, and organizational documents, restricted actions, and negative pledges.

The Credit Agreement contains financial covenants in respect of the Revolving Facility and TLA Facility that require the maintenance of a maximum net leverage ratio and a minimum interest coverage ratio for periods after the Closing Date. The Corporation is required to maintain a maximum Net Leverage Ratio (as defined in the Credit Agreement) as of the end of each fiscal quarter of less than or equal to (i) 4.25 to 1.00 as of the end of each of the first, second, third and fourth full fiscal quarters ending after the Closing Date, (ii) 4.00 to 1.00 as of the end of each of the fifth and sixth full fiscal quarters ending after the

Closing Date and (iii) 3.50 to 1.00 as of the end of the seventh full fiscal quarter ending after the Closing Date and as of the end of each fiscal quarter thereafter. In addition, in respect of the Revolving Facility and the TLA Facility the Corporation is required to maintain a minimum Interest Coverage Ratio (as defined in the Credit Agreement) as of the end of each fiscal quarter of greater than or equal to 3.50 to 1.00. The Corporation was in compliance with these financial covenants as of July 4, 2026.

Public Notes

As of January 3, 2026 the Corporation had outstanding a total of $450.0 million principal amount of public notes (the "Public Notes), consisting of $351.0 million of principal amount of public notes issued by the Corporation in connection with the Steelcase acquisition in exchange for Steelcase public notes in the same principal amount, and $99.0 million principal amount of public notes issued by Steelcase that were not exchanged.

At the acquisition date, the Corporation adjusted the public notes acquired to fair value by recognizing a market discount. Additionally, the Corporation deferred the related debt issuance costs for the Credit Agreement. The fair value adjustment and proportionate share of the deferred debt issuance costs related to the Public Notes, which are classified as a reduction of long-term debt, are being amortized over the term of the Public Notes. The Public Notes discount and deferred debt issuance costs do not reduce the amount owed by the Corporation under the Public Notes. As of July 4, 2026, the Public Notes discount balance and deferred debt issuance costs of $11.1 million are reflected as a reduction to "Long-Term Debt" in the Condensed Consolidated Balance Sheets.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Jul. 04, 2026
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jul. 04, 2026

Intangible Asset, Goodwill and Other [Abstract]

Schedule of Goodwill and Other Intangible Assets

Goodwill and other intangible assets included in the Condensed Consolidated Balance Sheets consisted of the following:


	July 4, 2026		January 3, 2026
Goodwill, net	$	833.3	$	958.0
Definite-lived intangible assets, net	626.3		425.5
Indefinite-lived intangible assets	333.0		319.1
Total goodwill and other intangible assets, net	$	1,792.6	$	1,702.6

Schedule of Activity in Carrying Amount of Goodwill

The activity in the carrying amount of goodwill, by reporting segment, was as follows:


	Workplace Furnishings		Residential Building Products		Total
Balance as of January 3, 2026
Goodwill	$	800.3	$	222.4	$	1,022.7
Accumulated impairment losses	(64.6)		(0.1)		(64.7)
Net goodwill balance as of January 3, 2026	735.7		222.3		958.0

Goodwill measurement period adjustments	(124.7)		—		(124.7)





Balance as of July 4, 2026
Goodwill	675.6		222.4		898.0
Accumulated impairment losses	(64.6)		(0.1)		(64.7)
Net goodwill balance as of July 4, 2026	$	611.0	$	222.3	$	833.3

Schedule of Definite-Lived Intangible Assets

The table below summarizes amortizable definite-lived intangible assets, which are reflected in "Goodwill and Other Intangible Assets, net" in the Condensed Consolidated Balance Sheets:


	July 4, 2026						January 3, 2026
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net

Software	$	360.3	$	256.0	$	104.4	$	275.1	$	244.7	$	30.4
Trademarks and trade names	48.9		9.8		39.1		15.6		9.5		6.2
Customer lists and other	590.7		107.9		482.9		454.2		65.3		388.9
Total definite-lived intangible assets	$	1,000.0	$	373.7	$	626.3	$	745.0	$	319.5	$	425.5

Schedule of Finite-Lived Intangible Assets Amortization Expense

Amortization expense is reflected in "Selling and administrative expenses" in the Condensed Consolidated Statements of Comprehensive Income and was as follows:


	Three Months Ended				Six Months Ended
	July 4, 2026		June 28, 2025		July 4, 2026		June 28, 2025
Capitalized software	$	7.3	$	4.7	$	17.7	$	9.4
Other definite-lived intangibles	$	20.5	$	2.6	$	46.3	$	5.2

Schedule of Estimated Amortization Expense

Based on the current amount of intangible assets subject to amortization, the estimated amortization expense for the remainder of 2026 and each of the following four years is as follows:


	2026 (Q3 - Q4)		2027		2028		2029		2030
Amortization expense	$	57.1	$	83.1	$	74.7	$	74.2	$	73.9

Schedule of Indefinite Lived Intangible Assets

These indefinite-lived intangible assets are reflected in "Goodwill and Other Intangible Assets, net" in the Condensed Consolidated Balance Sheets:


	July 4, 2026		January 3, 2026
Trademarks and trade names	$	333.0	$	319.1

- Definition

Tabular disclosure of goodwill.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1

Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482573/350-20-50-1A

+ Details

Revenue from Contracts with Customers - Schedule of Contract Assets and Contract Liabilities (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026
Revenue from Contract with Customer [Abstract]
Contract liabilities - Customer deposits	$ 89.0	$ 102.9
Current - Prepaid expenses and other current assets	5.1	3.1
Long Term - Other assets	$ 57.8	$ 26.3

Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity (Tables)

6 Months Ended

Jul. 04, 2026

Equity [Abstract]

Schedule of Components of Accumulated Other Comprehensive Income (Loss) and Changes in Accumulated Other Comprehensive Income (Loss), Net of Tax

The following tables summarize the components of accumulated other comprehensive income (loss) and the changes in accumulated other comprehensive income (loss), net of tax, as applicable:


	Foreign Currency Translation Adjustment		Unrealized Gains (Losses) on Debt Securities		Pension and Post-retirement Liabilities		Derivative Financial Instrument		Accumulated Other Comprehensive Income (Loss)
Balance as of January 3, 2026	$	1.6	$	0.1	$	3.3	$	(1.5)	$	3.5
Other comprehensive income (loss) before reclassifications	(7.2)		(0.2)		—		0.7		(6.7)
Tax (expense) or benefit	—		0.0		—		(0.2)		(0.1)

Amounts reclassified from accumulated other comprehensive income (loss), net of tax	—		—		—		0.4		0.4
Balance as of July 4, 2026	$	(5.6)	$	(0.0)	$	3.3	$	(0.5)	$	(2.9)

Amounts in parentheses indicate reductions to equity.


	Foreign Currency Translation Adjustment		Unrealized Gains (Losses) on Debt Securities		Pension and Post-retirement Liabilities		Derivative Financial Instrument		Accumulated Other Comprehensive Income (Loss)
Balance as of December 28, 2024	$	(6.9)	$	(0.1)	$	(0.1)	$	(1.1)	$	(8.3)
Other comprehensive income (loss) before reclassifications	0.5		0.2		—		(1.0)		(0.3)
Tax (expense) or benefit	—		(0.0)		—		0.2		0.2

Amounts reclassified from accumulated other comprehensive income (loss), net of tax	5.7		—		2.0		0.1		7.9
Balance as of June 28, 2025	$	(0.6)	$	0.0	$	2.0	$	(1.8)	$	(0.4)

Amounts in parentheses indicate reductions to equity.

Schedule of Reclassification from Accumulated Other Comprehensive Income (Loss)

The following table details the reclassifications from accumulated other comprehensive income (loss):


		Three Months Ended				Six Months Ended
Details about Accumulated Other Comprehensive Income (Loss) Components	Affected Line Item in the Statement Where Net Income is Presented	July 4, 2026		June 28, 2025		July 4, 2026		June 28, 2025
Derivative financial instrument
Interest rate swap	Interest expense, net	$	(0.3)	$	(0.1)	$	(0.5)	$	(0.2)
	Income taxes	0.1		0.0		0.1		0.0



Pension and post-retirement liabilities
Pension settlement	Selling and administrative expenses	—		(2.7)		—		(2.7)
	Income taxes	—		0.7		—		0.7
Foreign currency translation
HNI India divestiture	Restructuring, impairment, and loss on divestiture	—		(5.7)		—		(5.7)
	Net of tax	$	(0.2)	$	(7.9)	$	(0.4)	$	(7.9)

Amounts in parentheses indicate reductions to profit.

Schedule of Dividends Declared and Paid Cash Dividends Per Common Share

The Corporation declared and paid cash dividends per common share as follows:


	Six Months Ended
	July 4, 2026		June 28, 2025
Dividends per common share	$	0.69	$	0.67

Schedule of Shares Repurchased and Settled

The following table summarizes shares repurchased and settled by the Corporation:


	Six Months Ended
	July 4, 2026		June 28, 2025
Shares repurchased	—		1.7
Average price per share	$	—	$	45.75

Cash purchase price	$	—	$	(79.9)
Purchases unsettled as of quarter end	—		0.4
Prior year purchases settled in current year	—		(0.2)
Shares repurchased per cash flow	$	—	$	(79.8)

Restructuring, Impairment, and Loss on Divestiture (Tables)

6 Months Ended

Jul. 04, 2026

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Related Costs


		Three Months Ended				Six Months Ended
	Classification	July 4, 2026		June 28, 2025		July 4, 2026		June 28, 2025
Workplace Furnishings

Facility closure and consolidation costs	Cost of sales	$	5.5	$	0.1	$	8.0	$	1.6

Divestiture of HNI India	Restructuring, impairment, and loss on divestiture	—		(0.1)		—		5.8
Structural cost actions	Restructuring, impairment, and loss on divestiture	11.1		2.1		19.5		2.6
Long-lived asset impairments	Restructuring, impairment, and loss on divestiture	—		—		9.5		—

Residential Building Products
Facility closure and consolidation costs	Cost of sales	0.5		—		0.5		—

Structural cost actions	Restructuring, impairment, and loss on divestiture	0.9		—		0.9		—
Long-lived asset impairments	Restructuring, impairment, and loss on divestiture	5.6		—		5.6		—

General Corporate
Structural cost actions	Restructuring, impairment, and loss on divestiture	0.3		—		0.3		—
Divestiture of HNI India	Restructuring, impairment, and loss on divestiture	—		0.6		—		0.6
Total		$	23.8	$	2.6	$	44.3	$	10.5

Stock-Based Compensation (Tables)

6 Months Ended

Jul. 04, 2026

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Expense

The following table summarizes expense associated with these plans:


	Three Months Ended				Six Months Ended
	July 4, 2026		June 28, 2025		July 4, 2026		June 28, 2025
Compensation cost	$	9.6	$	3.3	$	27.7	$	10.1

The increase in stock-based compensation expense in the current year was driven by increased grants including new participants following the acquisition of Steelcase. See "Note 3. Acquisitions and Divestitures" for further information on the acquisition of Steelcase.

Schedule of Units Granted by Fair Values

The units granted by the Corporation had fair values as follows:


	Six Months Ended
	July 4, 2026		June 28, 2025

Restricted stock units	$	16.1	$	7.3
Performance stock units	$	15.8	$	7.2

Schedule of Unrecognized Compensation Expense and Weighted-Average Remaining Service Period for Non-Vested Stock Units

The following table summarizes unrecognized compensation expense and the weighted-average remaining service period for non-vested stock units as of July 4, 2026:


	Unrecognized Compensation Expense		Weighted-Average Remaining Service Period (years)

Non-vested restricted stock units	$	10.7	1.5
Non-vested performance stock units	$	16.5	1.3

Earnings Per Share (Tables)

6 Months Ended

Jul. 04, 2026

Earnings Per Share [Abstract]

Schedule of Calculation of Basic and Diluted Earnings Per Share

The following table reconciles the numerators and denominators used in the calculation of basic and diluted earnings per share ("EPS"):


	Three Months Ended - July 4, 2026						Three Months Ended - June 28, 2025
Computation of Earnings Per Share	Net Income		Basic Shares		Dilutive Shares		Net Income		Basic Shares		Dilutive Shares
Amounts used in calculating earnings per share	$	51.1	73.1		73.2		$	48.2	46.2		47.1
Impact of participating shares	(0.7)		(1.0)		(1.0)		—		—		—
Amounts used in calculating earnings per share, excluding participating securities	$	50.4	72.1		72.1		$	48.2	46.2		47.1

Earnings per share			$	0.70	$	0.70			$	1.04	$	1.02

	Six Months Ended - July 4, 2026						Six Months Ended - June 28, 2025
Computation of Earnings Per Share	Net Income		Basic Shares		Dilutive Shares		Net Income		Basic Shares		Dilutive Shares
Amounts used in calculating earnings per share	$	12.3	73.1		73.2		$	62.2	46.6		47.6
Impact of participating shares	(0.1)		(1.3)		(1.3)		—		—		—
Amounts used in calculating earnings per share, excluding participating securities	$	12.1	71.8		71.9		$	62.2	46.6		47.6

Earnings per share			$	0.17	$	0.17			$	1.33	$	1.31

Potentially dilutive shares from stock-based compensation plans included in dilutive shares were as follows:

Three Months Ended

Six Months Ended

July 4,
2026

June 28,
2025

July 4,
2026

June 28,
2025

Potentially dilutive shares from stock-based compensation plans

0.0

1.0

0.0

1.0

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The weighted-average common stock equivalents presented above do not include the effect of the common stock equivalents in the table below because their inclusion would be anti-dilutive:

Three Months Ended

Six Months Ended

July 4,
2026

June 28,
2025

July 4,
2026

June 28,
2025

Common stock equivalents excluded because their inclusion would be anti-dilutive

0.8

0.3

0.7

0.1

Supplier Finance Programs (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026
Payables and Accruals [Abstract]
Supplier finance programs obligations	$ 30.9	$ 26.1

Acquisitions and Divestitures

6 Months Ended

Jul. 04, 2026

Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]

Acquisitions and Divestitures

Acquisition - Steelcase

On December 10, 2025, HNI completed its acquisition of Steelcase, a global design and furniture manufacturing company that maintains its principal office in Grand Rapids, Michigan. As a result of the acquisition, Steelcase became a wholly-owned subsidiary of HNI and is part of the Workplace Furnishings segment. The transaction involved payment of total fair market value consideration of approximately $1.9 billion, including total cash consideration of $864.5 million, share consideration valued at $1.0 billion and replacement share-based awards valued at $45.4 million. Of the $864.5 million of cash consideration, $37.6 million represents the value of the equivalent shares for which service was provided by the grantees prior to December 10, 2025 and will be paid as the equivalent shares vest.

HNI obtained revolving and term credit facilities in an aggregate principal amount of $865 million the proceeds of which were used for the consummation of the acquisition, including the payment of the cash consideration, the repayment of existing indebtedness of HNI and Steelcase, and the payment of fees, costs and commissions in connection with the foregoing. See “Note 7. Debt.”

The Corporation has incurred aggregate acquisition-related expenses of $102.4 million related to this transaction, of which $93.8 million of expenses were incurred as corporate costs and $8.5 million of expenses were recorded in the Workplace Furnishings segment, and $9.5 million of interest-related expenses. The majority of these expenses were incurred during 2025 when the Corporation incurred $94.6 million in acquisition-related charges and $9.5 million of interest-related charges. In the first six months ended July 4, 2026, $7.8 million of expenses were incurred and included in "Acquisition and related costs" in the Condensed Consolidated Statements of Comprehensive Income. Acquisition and related costs include change in control compensation expense, transaction success fees, retention compensation, and other professional services fees. Incurred primarily in 2025, capitalized costs related to the transaction included $12.0 million of financing fees in "Long-Term Debt," $2.0 million of financing fees in "Other Assets," $0.5 million of financing fees in "Prepaid expenses and other current assets," and $2.1 million of stock issuance fees in "HNI Corporation's shareholders' equity" in the Condensed Consolidated Balance Sheets.

The acquired assets and assumed liabilities and results of Steelcase's operations are included in the Corporation's segments as of December 10, 2025, as noted below. The acquisition was accounted for using the acquisition method pursuant to ASC 805, Business Combinations, with goodwill recorded in an amount representing the excess of the purchase price over the fair value

of identifiable tangible and intangible assets and liabilities. Goodwill, which is not tax-deductible, is primarily attributable to the assembled workforce of Steelcase and anticipated synergies.

The total fair market value of consideration was $1,922.3 million, which is allocated as follows:


	Steelcase Shares	HNI Shares Exchanged	Fair Value
Cash Consideration:
Shares of Steelcase common stock issued and outstanding as of December 10, 2025	114.8		826.8
Steelcase common stock equivalent shares as of December 10, 2025	6.9		37.6
Total number of shares of Steelcase common stock for cash consideration	121.7		864.5

Share Consideration:
Shares of Steelcase common stock issued and outstanding as of December 10, 2025	114.8	25.2	1,012.5

Replacement Share-Based Awards:
Outstanding awards of Steelcase restricted stock units relating to Steelcase common stock as of December 10, 2025	4.2	0.9	26.9
Outstanding Steelcase performance unit awards relating to Steelcase common stock as of December 10, 2025	2.7	0.6	18.5

Total acquisition date fair value of purchase consideration			$	1,922.3

Consideration provided in the form of HNI Corporation shares and HNI Corporation replacement share-based awards represents non-cash consideration.

The preliminary purchase price allocation at the date of acquisition is as follows:



	December 10, 2025
Assets
Cash and cash equivalents	$	429.3
Restricted cash	7.3
Receivables	393.4
Inventories	351.4
Prepaid expenses and other current assets	110.3

Property, plant, and equipment	551.8
Right-of-use operating leases	175.2
Goodwill	391.2
Identified intangible assets	871.0
Other assets	229.6

Total Assets	$	3,510.5

Liabilities
Accounts payable and accrued expenses	$	709.7
Current lease obligations – operating	43.7
Long Term Debt	437.5
Long-term lease obligations – operating	130.4
Other long-term liabilities	129.7
Deferred income taxes	137.2
Total Liabilities	$	1,588.1

Net Assets and Liabilities	$	1,922.3

All preliminary goodwill is assigned to the Workplace Furnishings segment.

The following table summarizes the acquired identified intangible assets and weighted average useful lives:

Category

Weighted-average useful life

Fair Value

Customer lists

12.7 years

330.0

Trademarks and trade names – Definite-lived

10 years

36.0

Acquired technology

6 years

99.0

Software

5 years

90.0

Backlog

1 year

30.0

Trademarks and trade names – Indefinite-lived

Indefinite-lived

286.0

Total identified intangible assets

871.0

The valuation analysis involves complex management estimates and assumptions using income, market and cost approaches and assumptions such as property appraisals, projections of future revenues, cost and cash flows, discount rates, royalty rates, long-term growth rates, and technology build costs. At this time, assets and liabilities are recorded based on preliminary data and assumptions as the Corporation is in the process of reviewing information related to the determination of the fair values. The provisional assets and liabilities will be adjusted to reflect the finally determined amounts, and those adjustments may be material. Currently, the fair values of all assets acquired and assumed liabilities are considered preliminary. The fair value measurements of property, plant, and equipment and intangible assets are characterized as Level 3 in the fair value hierarchy. The Corporation expects to finalize the purchase price allocation in the second half of 2026. During the six months ended July

4, 2026, revisions were made to the purchase price allocation that resulted in a net decrease to goodwill of $124.7 million, primarily due to provisional valuation adjustments to: intangible assets (increased $281.0 million), inventory (increased $31.3 million), net deferred tax (increased $41.2 million), property, plant, and equipment (decreased $71.0 million), and other assets (decreased $85.2 million). Purchase accounting associated with the measurement period adjustments in the current year which would have been recognized at the acquisition date had the information been known totaled $16.6 million. Of this amount, $11.6 million was included in Cost of sales in the Condensed Consolidated Statements of Comprehensive Income, and related to the inventory step-up and additional depreciation for the preliminary valuation adjustment to property, plant and equipment. The remaining $5.0 million was included in Selling and administrative expenses and related to amortization of intangible assets and additional depreciation resulting from the preliminary valuation.

The following table summarizes the results of Steelcase operations included in the Condensed Consolidated Statements of Comprehensive Income for the three and six months ended July 4, 2026, including pretax acquisition and related costs of $11.3 million and $19.9 million, respectively, and purchase accounting of $21.9 million and $86.1 million, respectively.


	Three Months Ended - July 4, 2026		Six Months Ended - July 4, 2026
Net sales	$	806.9	$	1,580.8
Net loss	$	(11.6)	$	(71.3)

Pro Forma Results of Operations - Steelcase Acquisition (Unaudited)

The following table provides, on a pro forma basis, the combined results of operations of HNI Corporation and Steelcase for the three and six months ended June 28, 2025, as though the acquisition and related financing had occurred as of December 31, 2023 the first day of the Corporation’s 2024 fiscal year. The pro forma results include certain purchase accounting adjustments such as: elimination of sales between HNI Corporation and Steelcase-owned dealers; estimated depreciation and amortization expense on acquired tangible and intangible assets; stock based compensation associated with additional awards; interest associated with additional borrowings to finance the acquisition; non-recurring transaction costs as outlined above; and the impact to income tax expense. This pro forma information is not necessarily reflective of what the Corporation’s results would have been had the acquisition occurred on the date indicated, nor is it indicative of future results.


	Three Months Ended - June 28, 2025		Six Months Ended - June 28, 2025
Net sales	$	1,518.0	$	2,910.5
Net income	$	62.2	$	83.0

Divestiture of HNI India

In April 2025, the Corporation closed on the sale of its HNI India business, which was a component of the Workplace Furnishings segment, to Kokuyo Co., Ltd. in a transaction structured as a stock sale. The Corporation received $9.5 million in gross cash proceeds, or $8.1 million net of cash and transaction fees. In aggregate, the Corporation recognized a $6.5 million pre-tax loss on the sale. Included in the loss is a cumulative foreign currency translation loss of $6.0 million that was reclassified from accumulated other comprehensive income, and transaction-related expenses of $0.6 million.

Debt (Tables)

6 Months Ended

Jul. 04, 2026

Debt Disclosure [Abstract]

Schedule of Debt

Debt is as follows:


	July 4, 2026		January 3, 2026
Revolving credit facility with interest at a variable rate (July 4, 2026 - 5.3 %; January 3, 2026 - 5.3 %)	$	103.0	$	15.0
Term Loan A with interest at a variable rate (July 4, 2026 - 5.3%; January 3, 2026 - 5.2%)	345.6		350.0
Term Loan B with interest at a variable rate (July 4, 2026 - 5.4%; January 3, 2026 - 5.8%)	497.5		500.0
Public Notes with fixed rates due in 2029 with an interest rate of 5.125%	450.0		450.0
Other amounts	—		2.4
Deferred debt issuance costs	(20.9)		(24.3)
Total debt	1,375.2		1,293.1
Less: Current maturities of debt	18.1		16.2
Long-term debt	$	1,357.1	$	1,276.9

Investments in Unconsolidated Affiliates (Tables)

6 Months Ended

Jul. 04, 2026

Equity Method Investments and Joint Ventures [Abstract]

Schedule of Investments in Unconsolidated Affiliates

The Corporation's investments in unconsolidated affiliates and related direct ownership interests are recorded in are summarized below:


	July 4, 2026				January 3, 2026
	Investment Balance		Ownership Interest		Investment Balance		Ownership Interest
Equity method investments:
Dealer relationships	$	42.1	25%-40%		$	38.4	25% - 40%
Manufacturing joint venture	8.3		49	%	8.0		49	%
	50.4				46.4
Cost method investments:
Dealer relationships	32.7		18	%	5.8		Less than 10%
Other	0.0		Less than 10%		2.2		Less than 10%
	32.7				8.0
Total investments in unconsolidated affiliates	$	83.0			$	54.4

Acquisitions and Divestitures - Schedule of Total Fair Market Value of Consideration (Details) shares in Millions, $ in Millions	Dec. 10, 2025 USD ($) shares
Steelcase Inc \| Non-vested restricted stock units
Asset Acquisition [Line Items]
Outstanding share-based compensation awards (in shares)	4.2
Steelcase Inc \| Performance Shares
Asset Acquisition [Line Items]
Outstanding share-based compensation awards (in shares)	2.7
Steelcase Inc \| Common Stock
Asset Acquisition [Line Items]
Shares of Steelcase common stock issued as of December 10, 2025 (in shares)	114.8
Shares of Steelcase common stock outstanding as of December 10, 2025 (in shares)	114.8
Steelcase Inc \| Common Stock, Equivalent Shares
Asset Acquisition [Line Items]
Steelcase common stock equivalent shares as of December 10, 2025 (in shares)	6.9
Steelcase Inc \| Common Stock And Equivalent Shares
Asset Acquisition [Line Items]
Shares of Steelcase common stock outstanding as of December 10, 2025 (in shares)	121.7
Steelcase Inc
Asset Acquisition [Line Items]
Payment to acquire building \| $	$ 864.5
Total acquisition date fair value of purchase consideration \| $	$ 1,922.3
Steelcase Inc \| Non-vested restricted stock units
Asset Acquisition [Line Items]
Total number of shares for cash consideration (in shares)	0.9
Fair value of total number of shares for cash consideration \| $	$ 26.9
Steelcase Inc \| Performance Shares
Asset Acquisition [Line Items]
Total number of shares for cash consideration (in shares)	0.6
Fair value of total number of shares for cash consideration \| $	$ 18.5
Steelcase Inc \| Common Stock
Asset Acquisition [Line Items]
Total number of shares for cash consideration (in shares)	25.2
Common stock, fair value issued \| $	$ 826.8
Fair value of total number of shares for cash consideration \| $	1,012.5
Steelcase Inc \| Share-Based Awards For Services Provided
Asset Acquisition [Line Items]
Common stock, fair value issued \| $	$ 37.6

Inventories (Tables)

6 Months Ended

Jul. 04, 2026

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories included in the Condensed Consolidated Balance Sheets consisted of the following:


	July 4, 2026			January 3, 2026

Finished products, net	$	250.1		$	217.3
Materials and work in process, net	301.7			310.7
LIFO allowance	(53.1)			(52.7)
Total inventories, net	$	498.8		$	475.3

Inventory valued by the LIFO costing method	73		%	61		%

Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Income Tax Disclosure [Abstract]
Income before income taxes	$ 71.2	$ 62.0	$ 15.5	$ 80.9
Income taxes	$ 20.1	$ 13.8	$ 3.2	$ 18.8
Effective tax rate	28.20%	22.20%	20.90%	23.20%

- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-32

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 30
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 3A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483475/205-20-45-3A

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-4

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 21
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-21

Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-14

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478671/942-235-S50-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details

Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity - Schedule of Reclassification from Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest Expense, Net	$ 23.7	$ 6.1	$ 44.4	$ 11.7
Income taxes	(20.1)	(13.8)	(3.2)	(18.8)
Selling and Administrative Expenses:	533.0	215.5	1,047.9	423.1
Restructuring, Impairment, and Loss on Divestiture:	17.9	2.5	35.9	8.9
Amounts used in calculating earnings per share	51.1	48.2	12.3	62.2
Reclassifications from Accumulated Other Comprehensive Income (Loss)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts used in calculating earnings per share	(0.2)	(7.9)	(0.4)	(7.9)
Reclassifications from Accumulated Other Comprehensive Income (Loss) \| Pension and Post-retirement Liabilities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income taxes	0.0	0.7	0.0	0.7
Selling and Administrative Expenses:	0.0	(2.7)	0.0	(2.7)
Reclassifications from Accumulated Other Comprehensive Income (Loss) \| Foreign Currency Translation Adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Restructuring, Impairment, and Loss on Divestiture:	0.0	(5.7)	0.0	(5.7)
Interest rate swap \| Reclassifications from Accumulated Other Comprehensive Income (Loss) \| Derivative financial instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest Expense, Net	(0.3)	(0.1)	(0.5)	(0.2)
Income taxes	$ 0.1	$ (0.0)	$ 0.1	$ (0.0)

Investments in Unconsolidated Affiliates

6 Months Ended

Jul. 04, 2026

Equity Method Investments and Joint Ventures [Abstract]

Investments in Unconsolidated Affiliates

The Corporation occasionally enters into joint ventures and other equity investments to expand or maintain its geographic presence, support its distribution network, or invest in new business ventures, complementary products and services through dealer relationships and manufacturing joint ventures. The only current manufacturing joint venture is Steelcase Jeraisy Company Limited, which is located in the Kingdom of Saudi Arabia and is engaged in the manufacturing of wood and metal office furniture systems, seating, accessories and related products for the Kingdom.

The investment balances as of January 3, 2026 were acquired as part of the December 10, 2025 acquisition of Steelcase. The valuation of those acquired investments is preliminary and subject to change during the measurement period. See "Note 3. Acquisitions and Divestitures" for further information on the Steelcase acquisition. The current period increase is related to the Corporation entering into various agreements with dealers to drive alignment, further the dealer relationship, and gain commitments for sale of the Corporation's products.

The Corporation's investments in unconsolidated affiliates and related direct ownership interests are recorded in are summarized below:


	July 4, 2026				January 3, 2026
	Investment Balance		Ownership Interest		Investment Balance		Ownership Interest
Equity method investments:
Dealer relationships	$	42.1	25%-40%		$	38.4	25% - 40%
Manufacturing joint venture	8.3		49	%	8.0		49	%
	50.4				46.4
Cost method investments:
Dealer relationships	32.7		18	%	5.8		Less than 10%
Other	0.0		Less than 10%		2.2		Less than 10%
	32.7				8.0
Total investments in unconsolidated affiliates	$	83.0			$	54.4

Supplier Finance Programs (Tables)

6 Months Ended

Jul. 04, 2026

Payables and Accruals [Abstract]

Schedule of Supplier Finance Programs Obligations

The Corporation’s payments to the financial institutions to settle obligations related to suppliers that elected to participate in the SCF programs are reflected in cash flows from operating activities in the Condensed Consolidated Statements of Cash Flows. Additionally, SCF programs payment obligations due by the Corporation to the financial institutions are recorded in "Accounts payable and accrued expenses" in the Condensed Consolidated Balance Sheets as follows:


	July 4, 2026		January 3, 2026
Supplier finance programs obligations	$	30.9	$	26.1

Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity - Schedule of Components of Accumulated Other Comprehensive Income (Loss) and Changes in Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 1,835.6	$ 840.4
Ending balance	1,805.2	811.0
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	3.5	(8.3)
Other comprehensive income (loss) before reclassifications	(6.7)	(0.3)
Tax (expense) or benefit	(0.1)	0.2
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.4	7.9
Ending balance	(2.9)	(0.4)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	1.6	(6.9)
Other comprehensive income (loss) before reclassifications	(7.2)	0.5
Tax (expense) or benefit	0.0	0.0
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.0	5.7
Ending balance	(5.6)	(0.6)
Unrealized Gains (Losses) on Debt Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	0.1	(0.1)
Other comprehensive income (loss) before reclassifications	(0.2)	0.2
Tax (expense) or benefit	(0.0)	(0.0)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.0	0.0
Ending balance	0.0	0.0
Pension and Post-retirement Liabilities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	3.3	(0.1)
Other comprehensive income (loss) before reclassifications	0.0	0.0
Tax (expense) or benefit	0.0	0.0
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.0	2.0
Ending balance	3.3	2.0
Derivative Financial Instrument
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(1.5)	(1.1)
Other comprehensive income (loss) before reclassifications	0.7	(1.0)
Tax (expense) or benefit	(0.2)	0.2
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.4	0.1
Ending balance	$ (0.5)	$ (1.8)

Acquisitions and Divestitures - Schedule of Pro Forma Information of Future Results of Operations (Details) - Steelcase Inc - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 28, 2025	Jun. 28, 2025
Business Combination [Line Items]
Net sales	$ 1,518.0	$ 2,910.5
Net income	$ 62.2	$ 83.0

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity

6 Months Ended

Jul. 04, 2026

Equity [Abstract]

Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity

Accumulated Other Comprehensive Income (Loss) and Shareholders’ Equity

The following tables summarize the components of accumulated other comprehensive income (loss) and the changes in accumulated other comprehensive income (loss), net of tax, as applicable:


	Foreign Currency Translation Adjustment		Unrealized Gains (Losses) on Debt Securities		Pension and Post-retirement Liabilities		Derivative Financial Instrument		Accumulated Other Comprehensive Income (Loss)
Balance as of January 3, 2026	$	1.6	$	0.1	$	3.3	$	(1.5)	$	3.5
Other comprehensive income (loss) before reclassifications	(7.2)		(0.2)		—		0.7		(6.7)
Tax (expense) or benefit	—		0.0		—		(0.2)		(0.1)

Amounts reclassified from accumulated other comprehensive income (loss), net of tax	—		—		—		0.4		0.4
Balance as of July 4, 2026	$	(5.6)	$	(0.0)	$	3.3	$	(0.5)	$	(2.9)

Amounts in parentheses indicate reductions to equity.


	Foreign Currency Translation Adjustment		Unrealized Gains (Losses) on Debt Securities		Pension and Post-retirement Liabilities		Derivative Financial Instrument		Accumulated Other Comprehensive Income (Loss)
Balance as of December 28, 2024	$	(6.9)	$	(0.1)	$	(0.1)	$	(1.1)	$	(8.3)
Other comprehensive income (loss) before reclassifications	0.5		0.2		—		(1.0)		(0.3)
Tax (expense) or benefit	—		(0.0)		—		0.2		0.2

Amounts reclassified from accumulated other comprehensive income (loss), net of tax	5.7		—		2.0		0.1		7.9
Balance as of June 28, 2025	$	(0.6)	$	0.0	$	2.0	$	(1.8)	$	(0.4)

Amounts in parentheses indicate reductions to equity.

Interest Rate Swap

During the normal course of business, the Corporation is subject to market risk associated with interest rate movements. Interest rate risk arises from variable interest debt obligations. Interest rate swap derivative instruments are periodically held and used by the Corporation as a tool for managing interest rate risk. They are not used for trading or speculative purposes.

In November 2023, the Corporation entered into an interest rate swap transaction to hedge $100 million of outstanding variable-rate borrowings against future interest rate volatility. Under the terms of this interest rate swap, the Corporation pays a fixed rate of 4.7 percent and receives a one-month Secured Overnight Financing Rate (SOFR) on a $100 million notional value expiring June 14, 2027. As of July 4, 2026, the fair value of the Corporation’s interest rate swap liability was $0.8 million. See "Note 9. Fair Value Measurements of Financial Instruments." The unrealized change in value of the interest rate swap is reported net of tax as $0.5 million in "Accumulated other comprehensive income (loss)" in the Condensed Consolidated Balance Sheets.

The following table details the reclassifications from accumulated other comprehensive income (loss):


		Three Months Ended				Six Months Ended
Details about Accumulated Other Comprehensive Income (Loss) Components	Affected Line Item in the Statement Where Net Income is Presented	July 4, 2026		June 28, 2025		July 4, 2026		June 28, 2025
Derivative financial instrument
Interest rate swap	Interest expense, net	$	(0.3)	$	(0.1)	$	(0.5)	$	(0.2)
	Income taxes	0.1		0.0		0.1		0.0



Pension and post-retirement liabilities
Pension settlement	Selling and administrative expenses	—		(2.7)		—		(2.7)
	Income taxes	—		0.7		—		0.7
Foreign currency translation
HNI India divestiture	Restructuring, impairment, and loss on divestiture	—		(5.7)		—		(5.7)
	Net of tax	$	(0.2)	$	(7.9)	$	(0.4)	$	(7.9)

Amounts in parentheses indicate reductions to profit.

Dividend

The Corporation declared and paid cash dividends per common share as follows:


	Six Months Ended
	July 4, 2026		June 28, 2025
Dividends per common share	$	0.69	$	0.67

Stock Repurchase

The following table summarizes shares repurchased and settled by the Corporation:


	Six Months Ended
	July 4, 2026		June 28, 2025
Shares repurchased	—		1.7
Average price per share	$	—	$	45.75

Cash purchase price	$	—	$	(79.9)
Purchases unsettled as of quarter end	—		0.4
Prior year purchases settled in current year	—		(0.2)
Shares repurchased per cash flow	$	—	$	(79.8)

There was no stock repurchase activity during the three and six months ended July 4, 2026. As of July 4, 2026, $84.3 million of the Corporation’s stock repurchase authorization by the board of directors remained available.

- Definition

The entire disclosure for equity.

+ References

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+ Details

Revenue from Contracts with Customers - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 04, 2026	Jan. 03, 2026
Revenue from Contract with Customer [Abstract]
Contract liability, customer deposits	$ 89.0	$ 102.9
Revenue recognized	$ 87.4

Product Warranties - Schedule of Estimated Settlements Expected to be Paid (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026	Jun. 28, 2025	Dec. 28, 2024
Product Warranties Disclosures [Abstract]
Current - in the next twelve months	$ 19.8	$ 19.3
Long-term - beyond one year	30.3	28.9
Total	$ 50.0	$ 48.2	$ 17.2	$ 17.5

Goodwill and Other Intangible Assets - Schedule of Activity in Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 04, 2026	Jan. 03, 2026
Goodwill [Line Items]
Goodwill	$ 898.0	$ 1,022.7
Accumulated impairment losses	(64.7)	(64.7)
Goodwill, net	833.3	958.0
Goodwill measurement period adjustments	(124.7)
Workplace Furnishings
Goodwill [Line Items]
Goodwill	675.6	800.3
Accumulated impairment losses	(64.6)	(64.6)
Goodwill, net	611.0	735.7
Goodwill measurement period adjustments	(124.7)
Residential Building Products
Goodwill [Line Items]
Goodwill	222.4	222.4
Accumulated impairment losses	(0.1)	(0.1)
Goodwill, net	222.3	$ 222.3
Goodwill measurement period adjustments	$ 0.0

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

+ References

+ Details

- Definition

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+ Details

Goodwill and Other Intangible Assets - Schedule of Indefinite Lived Intangible Assets (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 333.0	$ 319.1
Trademarks and trade names
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 333.0	$ 319.1

- Definition

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+ Details

Inventories - Narrative (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026
Inventory Disclosure [Abstract]
FIFO inventory allowance	$ 11.1	$ 9.7

Fair Value Measurements of Financial Instruments

6 Months Ended

Jul. 04, 2026

Fair Value Disclosures [Abstract]

Fair Value Measurements of Financial Instruments

For recognition purposes, on a recurring basis, the Corporation is required to measure at fair value its marketable securities, derivative financial instruments, put option liabilities, and auction rate securities. The marketable securities are comprised of money market funds, government securities, corporate bonds, and mutual funds. When available, the Corporation uses quoted market prices to determine fair value and classifies such measurements within Level 1. Where market prices are not available, the Corporation makes use of observable market-based inputs (prices or quotes from published exchanges and indexes) to calculate fair value using the market approach, in which case the measurements are classified within Level 2. Significant unobservable inputs, which are classified within Level 3, are used in the estimation of the fair value of put option liabilities and auction rate securities, determined using a simulation model based on assumptions including future cash flows, discount rates, and volatility. The activity for assets and liabilities measured at estimated fair value using Level 3 during the current- and prior-year period was immaterial.

Financial instruments measured at fair value were as follows:


	Fair value as of measurement date		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Balance as of July 4, 2026
Cash and cash equivalents (including money market funds) (1)	$	105.0	$	105.0	$	—	$	—
Restricted Cash (3)	$	7.7	$	7.7	$	—	$	—
Mutual funds (3)	$	8.0	$	8.0	$	—	$	—
Government securities (3)	$	8.8	$	—	$	8.8	$	—
Corporate bonds (3)	$	5.6	$	—	$	5.6	$	—
Foreign exchange forward contracts - assets (2)	$	0.1	$	—	$	0.1	$	—
Auction Rate Security (3)	$	2.7	$	—	$	—	$	2.7

Interest rate swap derivative - liability (4)	$	(0.8)	$	—	$	(0.8)	$	—
Foreign exchange forward contracts - liabilities (4)	$	(0.9)	$	—	$	(0.9)	$	—
Put option liability (5)	$	(5.6)	$	—	$	—	$	(5.6)

Balance as of January 3, 2026
Cash and cash equivalents (including money market funds) (1)	$	209.2	$	209.2	$	—	$	—
Restricted Cash (3)	$	8.8	$	8.8	$	—	$	—
Mutual funds (3)	$	11.7	$	11.7	$	—	$	—
Government securities (3)	$	7.0	$	—	$	7.0	$	—
Corporate bonds (3)	$	6.5	$	—	$	6.5	$	—
Foreign exchange forward contracts - assets (2)	$	2.2	$	—	$	2.2	$	—
Auction Rate Security (3)	$	2.7	$	—	$	—	$	2.7
Interest rate swap derivative - liability (4)	$	(2.0)	$	—	$	(2.0)	$	—
Foreign exchange forward contracts - liabilities (4)	$	(0.4)	$	—	$	(0.4)	$	—
Put option liability (5)	$	(5.6)	$	—	$	—	$	(5.6)

Amounts in parentheses indicate liabilities.

The index below indicates the line items in the Condensed Consolidated Balance Sheets where the financial instruments are reported:

(1) "Cash and cash equivalents"

(2) "Prepaid expenses and other current assets"

(3) Current portion - "Short-term investments"; Long-term portion - "Other Assets"

(4) Current portion - "Accounts payable and accrued expenses"; Long-term portion - "Other Long-Term Liabilities"

(5) "Other Long-Term Liabilities"

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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+ Details

Cover	6 Months Ended
Cover	Jul. 04, 2026 shares
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jul. 04, 2026
Document Transition Report	false
Entity File Number	1-14225
Entity Registrant Name	HNI Corporation
Entity Incorporation, State or Country Code	IA
Entity Tax Identification Number	42-0617510
Entity Address, Address Line One	600 East Second Street
Entity Address, Address Line Two	P.O. Box 1109
Entity Address, City or Town	Muscatine
Entity Address, State or Province	IA
Entity Address, Postal Zip Code	52761-0071
City Area Code	563
Local Phone Number	272-7400
Title of 12(b) Security	Common Stock
Trading Symbol	HNI
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	72,181,800
Entity Central Index Key	0000048287
Amendment Flag	false
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--01-02

Acquisitions and Divestitures - Schedule of Results of Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Business Combination [Line Items]
Acquisition and related costs	$ 4.2	$ 0.0	$ 7.8	$ 0.0
Net sales	1,472.4	667.1	2,819.9	1,266.8
Net loss	0.0	$ 0.0	0.0	$ 0.0
Steelcase Inc
Business Combination [Line Items]
Acquisition and related costs	11.3		19.9
Purchase accounting adjustments	21.9		86.1
Net sales	806.9		1,580.8
Net loss	$ (11.6)		$ (71.3)

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

+ Details

Stock-Based Compensation

6 Months Ended

Jul. 04, 2026

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation

The Corporation measures stock-based compensation expense at grant date, based on the fair value of the award. Forms of awards issued under shareholder-approved plans include stock options, restricted stock units based on a service condition ("restricted stock units"), restricted stock units based on both performance and service conditions ("performance stock units"), and shares issued under member stock purchase plans. Stock-based compensation expense related to stock options, restricted stock units, and performance stock units is recognized over the employees’ requisite service periods, adjusted for an estimated forfeiture rate for those awards not expected to vest. Additionally, expense related to performance stock units is periodically

adjusted for the probable number of shares to be awarded based on Corporation achievement within an established target range of cumulative profitability over a multi-year period.

There were no stock options granted during the periods covered below, and as of July 4, 2026, there was no unrecognized compensation cost related to stock option awards.

The following table summarizes expense associated with these plans:


	Three Months Ended				Six Months Ended
	July 4, 2026		June 28, 2025		July 4, 2026		June 28, 2025
Compensation cost	$	9.6	$	3.3	$	27.7	$	10.1

The units granted by the Corporation had fair values as follows:


	Six Months Ended
	July 4, 2026		June 28, 2025

Restricted stock units	$	16.1	$	7.3
Performance stock units	$	15.8	$	7.2

The following table summarizes unrecognized compensation expense and the weighted-average remaining service period for non-vested stock units as of July 4, 2026:


	Unrecognized Compensation Expense		Weighted-Average Remaining Service Period (years)

Non-vested restricted stock units	$	10.7	1.5
Non-vested performance stock units	$	16.5	1.3

Investments in Unconsolidated Affiliates (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026
Schedule of Investments [Line Items]
Equity method investments	$ 50.4	$ 46.4
Cost method investments	32.7	8.0
Total investments in unconsolidated affiliates	83.0	54.4
Dealer relationships
Schedule of Investments [Line Items]
Equity method investments	$ 42.1	$ 38.4
Dealer relationships \| Minimum
Schedule of Investments [Line Items]
Ownership Interest	25.00%	25.00%
Dealer relationships \| Maximum
Schedule of Investments [Line Items]
Ownership Interest	40.00%	40.00%
Manufacturing joint venture
Schedule of Investments [Line Items]
Equity method investments	$ 8.3	$ 8.0
Ownership Interest	49.00%	49.00%
Cost method investment, ownership percentage	18.00%
Dealer relationships
Schedule of Investments [Line Items]
Cost method investments	$ 32.7	$ 5.8
Other
Schedule of Investments [Line Items]
Cost method investments	$ 0.0	$ 2.2

Inventories - Schedule of Inventories (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026
Inventories
Finished products, net	$ 250.1	$ 217.3
Materials and work in process, net	301.7	310.7
LIFO allowance	(53.1)	(52.7)
Total inventories, net	$ 498.8	$ 475.3
Inventory valued by the LIFO costing method	73.00%	61.00%

Restructuring, Impairment, and Loss on Divestiture

6 Months Ended

Jul. 04, 2026

Restructuring and Related Activities [Abstract]

Restructuring, Impairment, and Loss on Divestiture

Restructuring and impairment activity in the current year primarily relate to the Corporation's network optimization initiatives and structural cost actions, which consists primarily of severance and associated expenses, taken across the business. In Workplace Furnishings these costs are mainly the result of facility closure and consolidation costs related to the Wayland, New York facility, along with the termination of Steelcase’s multi-year ERP implementation project. The facility closure and consolidation costs are comprised of cash and non-cash set-up and move costs recorded to cost of sales, including accelerated depreciation and asset relocation and disposal costs. In Residential Building Products these costs are related to the held for sale status of a small residential building products business. Assets held for sale are included in "Prepaid expenses and other current assets" in the Condensed Consolidated Balance Sheets.

Prior-year restructuring activity relates to the loss on divestiture of HNI India, described in "Note 3. Acquisitions and Divestitures," and continued manufacturing optimization initiatives in Workplace Furnishings, including production relocation at the Mexico plant and certain domestic plants. These projects are comprised of cash and non-cash set-up and moving costs recorded to cost of sales, including accelerated depreciation and asset relocation and disposal costs.


		Three Months Ended				Six Months Ended
	Classification	July 4, 2026		June 28, 2025		July 4, 2026		June 28, 2025
Workplace Furnishings

Facility closure and consolidation costs	Cost of sales	$	5.5	$	0.1	$	8.0	$	1.6

Divestiture of HNI India	Restructuring, impairment, and loss on divestiture	—		(0.1)		—		5.8
Structural cost actions	Restructuring, impairment, and loss on divestiture	11.1		2.1		19.5		2.6
Long-lived asset impairments	Restructuring, impairment, and loss on divestiture	—		—		9.5		—

Residential Building Products
Facility closure and consolidation costs	Cost of sales	0.5		—		0.5		—

Structural cost actions	Restructuring, impairment, and loss on divestiture	0.9		—		0.9		—
Long-lived asset impairments	Restructuring, impairment, and loss on divestiture	5.6		—		5.6		—

General Corporate
Structural cost actions	Restructuring, impairment, and loss on divestiture	0.3		—		0.3		—
Divestiture of HNI India	Restructuring, impairment, and loss on divestiture	—		0.6		—		0.6
Total		$	23.8	$	2.6	$	44.3	$	10.5

As of July 4, 2026 and January 3, 2026, accrued restructuring expenses of $14.0 million and $13.1 million, respectively, were included in "Accounts payable and accrued expenses" in the Condensed Consolidated Balance Sheets. Cash payments related to these charges in the current year-to-date period were $24.4 million. In the prior year-to-date period, cash payments were not material.

Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Disaggregation of Revenue [Line Items]
Net sales	$ 1,472.4	$ 667.1	$ 2,819.9	$ 1,266.8
Workplace furnishings
Disaggregation of Revenue [Line Items]
Net sales	1,323.7	516.0	2,509.2	957.0
Workplace furnishings \| Systems, storage, and tables
Disaggregation of Revenue [Line Items]
Net sales	594.9	322.0	1,157.8	597.2
Workplace furnishings \| Seating
Disaggregation of Revenue [Line Items]
Net sales	343.7	149.7	655.7	283.3
Workplace furnishings \| Education
Disaggregation of Revenue [Line Items]
Net sales	170.6	20.8	245.9	28.6
Workplace furnishings \| Other
Disaggregation of Revenue [Line Items]
Net sales	214.5	23.4	449.9	47.9
Residential building products
Disaggregation of Revenue [Line Items]
Net sales	$ 148.7	$ 151.1	$ 310.8	$ 309.8

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Acquisitions and Divestitures - Narrative (Details) - USD ($) $ in Millions		1 Months Ended	3 Months Ended		6 Months Ended		7 Months Ended	12 Months Ended
	Dec. 10, 2025	Apr. 30, 2025	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jan. 03, 2026
Business Combination [Line Items]
Acquisition and related costs			$ 4.2	$ 0.0	$ 7.8	$ 0.0
Goodwill measurement period adjustments					124.7
Inventory					31.3	$ 0.0
Discontinued Operations, Disposed of by Sale \| HNI India
Business Combination [Line Items]
Consideration		$ 9.5
Net of cash and transaction fees		8.1
Pre-tax loss on the sale		6.5
Foreign currency translation benefit		6.0
Transaction-related expenses		$ 0.6
Workplace furnishings
Business Combination [Line Items]
Goodwill measurement period adjustments					124.7
Income Statement Location [Axis]: us-gaap:BusinessCombinationAcquisitionRelatedCosts
Business Combination [Line Items]
Acquisition and related costs							$ 102.4	$ 94.6
Income Statement Location [Axis]: us-gaap:BusinessCombinationAcquisitionRelatedCosts \| General Corporate
Business Combination [Line Items]
Acquisition and related costs							93.8
Income Statement Location [Axis]: us-gaap:BusinessCombinationAcquisitionRelatedCosts \| Workplace furnishings
Business Combination [Line Items]
Acquisition and related costs							8.5
Income Statement Location [Axis]: us-gaap:InterestIncomeExpenseNonoperatingNet
Business Combination [Line Items]
Acquisition and related costs							$ 9.5	9.5
Steelcase Inc
Business Combination [Line Items]
Total acquisition date fair value of purchase consideration	$ 1,922.3
Payment to acquire building	864.5
Acquisition and related costs			11.3		19.9
Purchase accounting adjustments			$ 21.9		86.1
Steelcase Inc \| Balance Sheet Location [Axis]: us-gaap:LongTermDebtNoncurrent
Business Combination [Line Items]
Capitalized transaction costs								12.0
Steelcase Inc \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent
Business Combination [Line Items]
Capitalized transaction costs								2.0
Steelcase Inc \| Balance Sheet Location [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent
Business Combination [Line Items]
Capitalized transaction costs								0.5
Steelcase Inc \| Balance Sheet Location [Axis]: us-gaap:StockholdersEquity
Business Combination [Line Items]
Capitalized transaction costs								$ 2.1
Steelcase Inc \| Workplace furnishings
Business Combination [Line Items]
Provisional valuation adjustments, intangibles					281.0
Inventory					31.3
Provisional valuation adjustments, deferred tax assets					(41.2)
Provisional valuation adjustments, property, plant, and equipment					71.0
Provisional valuation adjustments, other assets					85.2
Recognized at the acquisition date					16.6
Cost of sales					11.6
Selling and administrative expenses					$ 5.0
Steelcase Inc \| Line of Credit
Business Combination [Line Items]
Borrowings	865.0
Steelcase Inc \| Common Stock
Business Combination [Line Items]
Fair value of total number of shares for cash consideration	1,012.5
Common stock, fair value issued	826.8
Steelcase Inc \| Common stock equivalents excluded because their inclusion would be anti-dilutive
Business Combination [Line Items]
Fair value of total number of shares for cash consideration	45.4
Steelcase Inc \| Share-Based Awards For Services Provided
Business Combination [Line Items]
Common stock, fair value issued	$ 37.6

Guarantees, Commitments, and Contingencies	6 Months Ended
Guarantees, Commitments, and Contingencies	Jul. 04, 2026
Commitments and Contingencies Disclosure [Abstract]
Guarantees, Commitments, and Contingencies	Guarantees, Commitments, and Contingencies The Corporation utilizes letters of credit and surety bonds in the amount of approximately $57 million to back certain insurance policies and payment obligations. Additionally, the Corporation periodically utilizes trade letters of credit and bankers' acceptances to guarantee certain payments to suppliers; as of July 4, 2026, there was $7 million outstanding related to these types of guarantees. The letters of credit, bonds, and banker’s acceptances reflect fair value as a condition of their underlying purpose and are subject to competitively determined fees. The Corporation periodically guarantees borrowing arrangements involving certain workplace furnishings dealers and third-party financial institutions. The remaining terms of outstanding guarantees are less than 4 years in length and generally require the Corporation to make payments directly to the financial institution in the event that the dealer is unable to repay its borrowings in accordance with the stated terms. The aggregate amount guaranteed by the Corporation in connection with these agreements is approximately $7 million as of July 4, 2026. The Corporation has determined the likelihood of making future payments under these guarantees is not probable and the associated liability is immaterial. The Corporation has contingent liabilities which have arisen in the ordinary course of its business, including liabilities relating to pending litigation, environmental remediation, taxes, insurance, and other claims. It is the Corporation’s opinion, after consultation with legal counsel, that liabilities, if any, resulting from these matters are not expected to have a material adverse effect on the Corporation’s financial condition, cash flows, or quarterly or annual operating results when resolved in a future period. Tariff Refunds On February 20,2026, the U.S. Supreme Court ruled that tariffs imposed under the International Emergency Economic Powers Act ("IEEPA") were unlawful. On April 20, 2026, U.S. Customs and Border Protection ("CBP") launched the Consolidated Administration and Processing of Entries ("CAPE") process to permit importers to see refunds of previously paid IEEPA tariffs. The Corporation has elected to apply the principles of the loss recovery model in ASC 410-30 to determine whether it may recognize and measure any tariff refunds. Under this model, the Corporation will record the amounts that are probable to recover as a credit to "Cost of Sales" in the Condensed Consolidated Statements of Comprehensive Income. During the quarter ended July 4, 2026 the Corporation recorded net tariff impacts of 150 basis points to operating income.

Product Warranties (Tables)

6 Months Ended

Jul. 04, 2026

Product Warranties Disclosures [Abstract]

Schedule of Activity Associated with Warranty Obligations and Estimated Settlements Expected to be Paid

Activity associated with warranty obligations was as follows:


	Six Months Ended
	July 4, 2026		June 28, 2025
Balance at beginning of period	$	48.2	$	17.5

Accruals for warranties issued	17.5		6.8

Settlements	(16.3)		(6.7)

Accruals included in acquisition / divestiture	0.6		(0.4)
Balance at end of period	$	50.0	$	17.2

The following table summarizes when these estimated settlements are expected to be paid:


	July 4, 2026		January 3, 2026
Current - in the next twelve months	$	19.8	$	19.3
Long-term - beyond one year	30.3		28.9
Total	$	50.0	$	48.2

Goodwill and Other Intangible Assets

6 Months Ended

Jul. 04, 2026

Intangible Asset, Goodwill and Other [Abstract]

Goodwill and Other Intangible Assets

Goodwill and other intangible assets included in the Condensed Consolidated Balance Sheets consisted of the following:


	July 4, 2026		January 3, 2026
Goodwill, net	$	833.3	$	958.0
Definite-lived intangible assets, net	626.3		425.5
Indefinite-lived intangible assets	333.0		319.1
Total goodwill and other intangible assets, net	$	1,792.6	$	1,702.6

Goodwill

The activity in the carrying amount of goodwill, by reporting segment, was as follows:


	Workplace Furnishings		Residential Building Products		Total
Balance as of January 3, 2026
Goodwill	$	800.3	$	222.4	$	1,022.7
Accumulated impairment losses	(64.6)		(0.1)		(64.7)
Net goodwill balance as of January 3, 2026	735.7		222.3		958.0

Goodwill measurement period adjustments	(124.7)		—		(124.7)





Balance as of July 4, 2026
Goodwill	675.6		222.4		898.0
Accumulated impairment losses	(64.6)		(0.1)		(64.7)
Net goodwill balance as of July 4, 2026	$	611.0	$	222.3	$	833.3

Goodwill measurement period adjustments in the current year relate to the acquisition of Steelcase in the fourth quarter of 2025. Goodwill related to the acquisition of Steelcase may change materially during 2026 while the measurement period is open. See "Note 3. Acquisitions and Divestitures" for further information.

Definite-lived intangible assets

The table below summarizes amortizable definite-lived intangible assets, which are reflected in "Goodwill and Other Intangible Assets, net" in the Condensed Consolidated Balance Sheets:


	July 4, 2026						January 3, 2026
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net

Software	$	360.3	$	256.0	$	104.4	$	275.1	$	244.7	$	30.4
Trademarks and trade names	48.9		9.8		39.1		15.6		9.5		6.2
Customer lists and other	590.7		107.9		482.9		454.2		65.3		388.9
Total definite-lived intangible assets	$	1,000.0	$	373.7	$	626.3	$	745.0	$	319.5	$	425.5

Amortization expense is reflected in "Selling and administrative expenses" in the Condensed Consolidated Statements of Comprehensive Income and was as follows:


	Three Months Ended				Six Months Ended
	July 4, 2026		June 28, 2025		July 4, 2026		June 28, 2025
Capitalized software	$	7.3	$	4.7	$	17.7	$	9.4
Other definite-lived intangibles	$	20.5	$	2.6	$	46.3	$	5.2

Amortization expense in the current-year period was impacted by adjustments to intangible asset values based on the preliminary valuation of definite-lived intangibles acquired with Steelcase.

The occurrence of events such as acquisitions, dispositions, or impairments may impact future amortization expense. Amortization based on the preliminary valuation of definite-lived intangibles acquired with Steelcase is included in the projection below. A decline in the next several years will be primarily attributable to the completion of the amortization related to identified intangibles with respect to backlog from the Steelcase acquisition and the completion of the Corporation’s Business Systems Transformation investment. Based on the current amount of intangible assets subject to amortization, the estimated amortization expense for the remainder of 2026 and each of the following four years is as follows:


	2026 (Q3 - Q4)		2027		2028		2029		2030
Amortization expense	$	57.1	$	83.1	$	74.7	$	74.2	$	73.9

Indefinite-lived intangible assets

The Corporation also owns certain intangible assets, which are deemed to have indefinite useful lives because they are expected to generate cash flows indefinitely. Indefinite-lived trade names acquired with Steelcase are preliminary and may change materially during 2026. These indefinite-lived intangible assets are reflected in "Goodwill and Other Intangible Assets, net" in the Condensed Consolidated Balance Sheets:


	July 4, 2026		January 3, 2026
Trademarks and trade names	$	333.0	$	319.1

The increase in the current-year period was due to an adjustment in the value of the indefinite-lived trade name based on the preliminary valuation of Steelcase and is subject to change with the finalization of the valuation analysis.

Impairment Analysis

The Corporation evaluates its goodwill and indefinite-lived intangible assets for impairment on an annual basis during the fourth quarter, or whenever indicators of impairment exist. The Corporation also evaluates long-lived assets (which include definite-lived intangible assets) for impairment if indicators exist.

Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity - Narrative (Details) - USD ($) $ in Millions	Jul. 04, 2026	Nov. 30, 2023
Common Stock
Class of Stock [Line Items]
Remaining authorized repurchase amount	$ 84.3
Designated as Hedging Instrument \| Interest rate swap \| Fair Value, Recurring
Class of Stock [Line Items]
Derivative liability	0.8
Interest rate swap
Class of Stock [Line Items]
Change in derivative financial instruments, net of tax	$ (0.5)
Interest rate swap \| Designated as Hedging Instrument
Class of Stock [Line Items]
Derivative, notional amount		$ 100.0
Derivative, fixed interest rate		4.70%

Goodwill and Other Intangible Assets - Schedule of Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026
Intangible Asset, Goodwill and Other [Abstract]
Goodwill	$ 833.3	$ 958.0
Definite-lived intangible assets, net	626.3	425.5
Indefinite-lived intangible assets	333.0	319.1
Total goodwill and other intangible assets, net	$ 1,792.6	$ 1,702.6

- Definition

+ References

+ Details

Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity - Schedule of Dividends Declared and Paid Cash Dividends Per Common Share (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Equity [Abstract]
Dividends per common share (in dollars per share)	$ 0.35	$ 0.34	$ 0.69	$ 0.67

Goodwill and Other Intangible Assets - Schedule of Definite-Lived Intangible Assets (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026
Intangible Asset, Finite-Lived [Line Items]
Gross	$ 1,000.0	$ 745.0
Accumulated Amortization	373.7	319.5
Net	626.3	425.5
Software
Intangible Asset, Finite-Lived [Line Items]
Gross	360.3	275.1
Accumulated Amortization	256.0	244.7
Net	104.4	30.4
Trademarks and trade names
Intangible Asset, Finite-Lived [Line Items]
Gross	48.9	15.6
Accumulated Amortization	9.8	9.5
Net	39.1	6.2
Customer lists and other
Intangible Asset, Finite-Lived [Line Items]
Gross	590.7	454.2
Accumulated Amortization	107.9	65.3
Net	$ 482.9	$ 388.9

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Goodwill and Other Intangible Assets - Schedule of Finite-Lived Intangible Assets Amortization Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Software
Intangible Asset, Finite-Lived [Line Items]
Amortization expense	$ 7.3	$ 4.7	$ 17.7	$ 9.4
Other definite-lived intangibles
Intangible Asset, Finite-Lived [Line Items]
Amortization expense	$ 20.5	$ 2.6	$ 46.3	$ 5.2

- Definition

Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

Condensed Consolidated Statements of Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Income Statement [Abstract]
Net sales	$ 1,472.4	$ 667.1	$ 2,819.9	$ 1,266.8
Cost of sales	825.2	380.9	1,672.8	742.3
Gross profit	647.2	286.2	1,147.1	524.6
Selling and administrative expenses	533.0	215.5	1,047.9	423.1
Acquisition and related costs	4.2	0.0	7.8	0.0
Restructuring, impairment, and loss on divestiture	17.9	2.5	35.9	8.9
Operating income	92.1	68.2	55.7	92.6
Other non-operating income, net	2.8	0.0	4.3	0.0
Interest expense, net	23.7	6.1	44.4	11.7
Income before income taxes	71.2	62.0	15.5	80.9
Income taxes	20.1	13.8	3.2	18.8
Net income	51.1	48.3	12.3	62.2
Less: Net income attributable to non-controlling interest	0.0	0.0	0.0	0.0
Net income attributable to HNI Corporation	$ 51.1	$ 48.2	$ 12.3	$ 62.2
Average number of common shares outstanding – basic (in shares)	72.1	46.2	71.8	46.6
Net income attributable to HNI Corporation per common share – basic (in dollars per share)	$ 0.70	$ 1.04	$ 0.17	$ 1.33
Average number of common shares outstanding – diluted (in shares)	72.1	47.1	71.9	47.6
Net income attributable to HNI Corporation per common share – diluted (in dollars per share)	$ 0.70	$ 1.02	$ 0.17	$ 1.31
Foreign currency translation adjustments	$ (2.7)	$ 6.4	$ (7.2)	$ 6.3
Change in unrealized gains (losses) on marketable securities, net of tax	(0.1)	0.1	(0.1)	0.2
Change in pension and post-retirement liability, net of tax	0.0	2.0	0.0	2.0
Change in derivative financial instruments, net of tax	0.4	(0.1)	0.9	(0.6)
Other comprehensive income (loss), net of tax	(2.4)	8.4	(6.4)	7.9
Comprehensive income	48.7	56.7	5.9	70.0
Less: Comprehensive income attributable to non-controlling interest	0.0	0.0	0.0	0.0
Comprehensive income attributable to HNI Corporation	$ 48.7	$ 56.6	$ 5.9	$ 70.0

Product Warranties - Schedule of Activity Associated with Warranty Obligations (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025
Product Warranty Accrual [Roll Forward]
Balance at beginning of period	$ 48.2	$ 17.5
Accruals for warranties issued	17.5	6.8
Settlements	(16.3)	(6.7)
Accruals included in acquisition / divestiture	0.6	(0.4)
Balance at end of period	$ 50.0	$ 17.2

Earnings Per Share - Schedule of Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Net Income
Amounts used in calculating earnings per share	$ 51.1	$ 48.2	$ 12.3	$ 62.2
Impact of participating shares, basic	(0.7)	0.0	(0.1)	0.0
Impact of participating shares, diluted	(0.7)	0.0	(0.1)	0.0
Amounts used in calculating earnings per share, excluding participating securities, basic	50.4	48.2	12.1	62.2
Amounts used in calculating earnings per share, excluding participating securities, diluted	$ 50.4	$ 48.2	$ 12.1	$ 62.2
Basic Shares
Amounts used in calculating earnings per share - Basic shares (in shares)	73.1	46.2	73.1	46.6
Impact of participating shares - Basic shares (in shares)	(1.0)	0.0	(1.3)	0.0
Amounts used in calculating earnings per share, excluding participating securities - Basic shares (in shares)	72.1	46.2	71.8	46.6
Dilutive Shares
Amounts used in calculating earnings per share - Dilutive shares (in shares)	73.2	47.1	73.2	47.6
Impact of participating shares - Diluted shares (in shares)	(1.0)	0.0	(1.3)	0.0
Amounts used in calculating earnings per share, excluding participating securities -Dilutive shares (in shares)	72.1	47.1	71.9	47.6
Earnings per share
Earnings per share - basic (in dollars per share)	$ 0.70	$ 1.04	$ 0.17	$ 1.33
Earnings per share - diluted (in dollars per share)	$ 0.70	$ 1.02	$ 0.17	$ 1.31

Condensed Consolidated Statements of Equity - USD ($) $ in Millions	Total	O 2026 Q2 Unvested Share-Based Compensation Dividends	O 2026 Q2 Dividends	O 2025 A2 Unvested Share-Based Compensation Dividends	O 2026 A2 Dividends	O 2025 Q1 Unvested Share-Based Compensation Dividends	O 2025 Q1 Dividends	O 2025 A2 Unvested Share-Based Compensation Dividends	O 2025 A2 Dividends	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings O 2026 Q2 Unvested Share-Based Compensation Dividends	Retained Earnings O 2026 Q2 Dividends	Retained Earnings O 2025 A2 Unvested Share-Based Compensation Dividends	Retained Earnings O 2026 A2 Dividends	Retained Earnings O 2025 Q1 Unvested Share-Based Compensation Dividends	Retained Earnings O 2025 Q1 Dividends	Retained Earnings O 2025 A2 Unvested Share-Based Compensation Dividends	Retained Earnings O 2025 A2 Dividends	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interest
Beginning balance at Dec. 28, 2024	$ 840.4									$ 47.2	$ 201.5	$ 599.6									$ (8.3)	$ 0.3
Comprehensive income:
Net income	62.2											62.2										0.0
Other comprehensive income (loss), net of tax	7.9																				7.9
Change in ownership for non-controlling interest	(0.3)																					(0.3)
Dividends								$ (0.6)	$ (31.2)										$ (0.6)	$ (31.2)
Common shares – treasury:
Shares purchased	(79.9)									(1.7)	(78.2)
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	12.6									0.4	12.2
Ending balance at Jun. 28, 2025	811.0									45.8	135.6	630.0									(0.4)	0.0
Beginning balance at Mar. 29, 2025	803.9									46.6	168.1	597.7									(8.8)	0.3
Comprehensive income:
Net income	48.3											48.2										0.0
Other comprehensive income (loss), net of tax	8.4																				8.4
Change in ownership for non-controlling interest	(0.3)																					(0.3)
Dividends						$ (0.4)	$ (15.7)										$ (0.4)	$ (15.7)
Common shares – treasury:
Shares purchased	(38.7)									(0.9)	(37.9)
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	5.5									0.1	5.4
Ending balance at Jun. 28, 2025	811.0									45.8	135.6	630.0									(0.4)	0.0
Beginning balance at Jan. 03, 2026	1,835.6									71.3	1,170.3	590.4									3.5	0.0
Comprehensive income:
Net income	12.3											12.3
Other comprehensive income (loss), net of tax	(6.4)																				(6.4)
Dividends				$ (1.1)	$ (50.2)										$ (1.1)	$ (50.2)
Common shares – treasury:
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	15.0									0.9	14.1
Ending balance at Jul. 04, 2026	1,805.2									72.2	1,184.4	551.4									(2.9)	0.0
Beginning balance at Apr. 04, 2026	1,773.6									72.0	1,175.5	526.5									(0.5)	0.0
Comprehensive income:
Net income	51.1											51.1
Other comprehensive income (loss), net of tax	(2.4)																				(2.4)
Dividends		$ (0.7)	$ (25.5)										$ (0.7)	$ (25.5)
Common shares – treasury:
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	9.1									0.2	8.9
Ending balance at Jul. 04, 2026	$ 1,805.2									$ 72.2	$ 1,184.4	$ 551.4									$ (2.9)	$ 0.0

- Definition

Amount after tax and reclassification adjustments of other comprehensive income (loss).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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-Subparagraph (h)(1)(iv)
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Reference 53: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-Subparagraph (b)(3)
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Reference 58: http://www.xbrl.org/2003/role/disclosureRef
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-Section 65
-Paragraph 4
-Subparagraph (f)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481538/470-20-65-4

+ Details

- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the par value method.

+ References + Details

Income Taxes

6 Months Ended

Jul. 04, 2026

Income Tax Disclosure [Abstract]

Income Taxes

The Corporation’s tax provision for interim periods is determined using an estimate of its annual effective tax rate, adjusted for discrete items. The following table summarizes the Corporation’s income tax provision:


	Three Months Ended						Six Months Ended
	July 4, 2026			June 28, 2025			July 4, 2026			June 28, 2025
Income before income taxes	$	71.2		$	62.0		$	15.5		$	80.9
Income taxes	$	20.1		$	13.8		$	3.2		$	18.8
Effective tax rate	28.2		%	22.2		%	20.9		%	23.2		%

The Corporation’s effective tax rate for the three months ended July 4, 2026 was higher than the rate for the corresponding prior-year period, primarily due to the impact of non-deductible executive compensation, unfavorable equity-based compensation adjustments, and the settlement of certain foreign-related tax positions.

The Corporation's effective tax rate for the six months ended July 4, 2026 was lower than the corresponding prior-year period, primarily due to favorable equity-based compensation adjustments

- Definition

The entire disclosure for income tax.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 740
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

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-Publisher FASB
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-Publisher FASB
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147477891/740-270-50-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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-Section S99
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
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-URI https://asc.fasb.org/740/tableOfContent

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
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Reference 14: http://www.xbrl.org/2003/role/disclosureRef
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Reference 15: http://www.xbrl.org/2003/role/disclosureRef
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-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482603/740-30-50-2

+ Details

Stock-Based Compensation - Schedule of Unrecognized Compensation Expense and Weighted-Average Remaining Service Period for Non-Vested Stock Units (Details) $ in Millions	6 Months Ended
	Jul. 04, 2026 USD ($)
Non-vested restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Expense	$ 10.7
Weighted-Average Remaining Service Period (years)	1 year 6 months
Non-vested performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Expense	$ 16.5
Weighted-Average Remaining Service Period (years)	1 year 3 months 18 days

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

Restructuring, Impairment, and Loss on Divestiture - Schedule of Restructuring and Related Costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 23.8	$ 2.6	$ 44.3	$ 10.5
Facility closure and consolidation costs \| Workplace furnishings
Restructuring Cost and Reserve [Line Items]
Restructuring costs	5.5	0.1	8.0	1.6
Facility closure and consolidation costs \| Residential building products
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.5	0.0	0.5	0.0
Divestiture of HNI India \| Workplace furnishings
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.0	(0.1)	0.0	5.8
Divestiture of HNI India \| General Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.0	0.6	0.0	0.6
Structural cost actions \| Workplace furnishings
Restructuring Cost and Reserve [Line Items]
Restructuring costs	11.1	2.1	19.5	2.6
Structural cost actions \| General Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.3	0.0	0.3	0.0
Long-lived asset impairments \| Workplace furnishings
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0.0	0.0	9.5	0.0
Long-lived asset impairments \| Residential building products
Restructuring Cost and Reserve [Line Items]
Restructuring costs	5.6	0.0	5.6	0.0
Structural cost actions \| Residential building products
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 0.9	$ 0.0	$ 0.9	$ 0.0

Product Warranties

6 Months Ended

Jul. 04, 2026

Product Warranties Disclosures [Abstract]

Product Warranties

The Corporation issues certain warranty policies on its Workplace Furnishings and Residential Building Products that provide for repair or replacement of any covered product or component that fails during normal use because of a defect in design, materials, or workmanship. The duration of warranty policies on the Corporation’s products varies based on the type of product. Allowances have been established for the anticipated future costs associated with the Corporation’s warranty programs.

A warranty allowance is determined by recording a specific allowance for known warranty issues and an additional allowance for unknown claims expected to be incurred based on historical claims experience. Actual claims incurred could differ materially from the original estimates, requiring adjustments to the allowance.

Activity associated with warranty obligations was as follows:


	Six Months Ended
	July 4, 2026		June 28, 2025
Balance at beginning of period	$	48.2	$	17.5

Accruals for warranties issued	17.5		6.8

Settlements	(16.3)		(6.7)

Accruals included in acquisition / divestiture	0.6		(0.4)
Balance at end of period	$	50.0	$	17.2

The increase in activity and balances during the current-year period was due to the acquisition of Steelcase during December 2025, see "Note 3. Acquisitions and Divestitures".

The current and long-term portions of the allowance for estimated settlements are included within "Accounts payable and accrued expenses" and "Other Long-Term Liabilities," respectively, in the Condensed Consolidated Balance Sheets. The following table summarizes when these estimated settlements are expected to be paid:


	July 4, 2026		January 3, 2026
Current - in the next twelve months	$	19.8	$	19.3
Long-term - beyond one year	30.3		28.9
Total	$	50.0	$	48.2

Supplier Finance Programs

6 Months Ended

Jul. 04, 2026

Payables and Accruals [Abstract]

Supplier Finance Programs

Some of the Corporation’s third-party financial institutions offer supply chain finance ("SCF") programs by which they allow eligible Corporation suppliers the opportunity to sell their trade receivables due from the Corporation. Supplier participation in the SCF programs is voluntary and requires an agreement between the supplier and the financial institution, to which the Corporation is not a party. Any sales of supplier receivables to the financial institutions are at the sole discretion of the supplier and are priced at a rate that leverages the Corporation’s credit rating and thus may be more beneficial to the supplier. The Corporation’s responsibility is limited to making payment on the terms originally negotiated with each supplier.


	July 4, 2026		January 3, 2026
Supplier finance programs obligations	$	30.9	$	26.1

Debt - Narrative (Details) $ in Millions		6 Months Ended
Debt - Narrative (Details) $ in Millions	Jul. 04, 2026 USD ($)	Jul. 04, 2026 USD ($)	Jun. 10, 2026 USD ($)	Jan. 03, 2026 USD ($)	Sep. 05, 2025
Debt Instrument [Line Items]
Long-term debt obligations	$ 1,375.2	$ 1,375.2		$ 1,293.1
Deferred debt issuance costs, current	0.5	0.5
Deferred debt issuance costs	1.8	1.8
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term line of credit outstanding	103.0	103.0
Line of credit maximum borrowing capacity	$ 425.0	425.0
Note term (in years)	5 years
Revolving Credit Facility \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Leverage ratio					4.25
Revolving Credit Facility \| Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Leverage ratio					4.00
Revolving Credit Facility \| Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Leverage ratio					3.50
Revolving Credit Facility \| Debt Instrument, Redemption, Period Four
Debt Instrument [Line Items]
Leverage ratio					3.50
Line of Credit \| Secured Debt
Debt Instrument [Line Items]
New term loan			$ 499.0
Notes Payable to Banks
Debt Instrument [Line Items]
Long-term debt obligations	$ 946.0	946.0
Private Placement
Debt Instrument [Line Items]
Fair value of debt obligations	443.0	$ 443.0
Term Loan B \| Line of Credit
Debt Instrument [Line Items]
Note term (in years)		7 years
Total debt, gross	497.5	$ 497.5
Deferred debt issuance costs	$ 8.0	$ 8.0
Term Loan B \| Line of Credit \| Credit Agreement
Debt Instrument [Line Items]
Total debt, gross			$ 499.0
Term Loan B \| Line of Credit \| Senior Unsecured Debt
Debt Instrument [Line Items]
Periodic repayment percent	0.25%	0.25%
Term Loan A \| Line of Credit
Debt Instrument [Line Items]
Note term (in years)		5 years
Total debt, gross	$ 345.6	$ 345.6
Amortization payments, period one		0.625%
Amortization payments, period two		1.25%
Amortization payments, period three		1.875%
Amortization payments, period four		2.50%
Deferred debt issuance costs	1.8	$ 1.8
5.125% Notes Due 2029 \| Private Placement Notes
Debt Instrument [Line Items]
Total debt, gross	450.0	450.0		450.0
Notes Issued In Connection For Steelcase Acquisition \| Private Placement Notes
Debt Instrument [Line Items]
Total debt, gross				351.0
Steelcase Public Notes \| Private Placement Notes
Debt Instrument [Line Items]
Total debt, gross				$ 99.0
5.125% Notes, due 2029 \| Private Placement Notes
Debt Instrument [Line Items]
Deferred debt issuance costs and discount	$ 11.1	$ 11.1

Reportable Segment Information (Tables)

6 Months Ended

Jul. 04, 2026

Segment Reporting [Abstract]

Schedule of Reportable Segment Data

Reportable segment data reconciled to the Corporation’s condensed consolidated financial statements was as follows:


	Three Months Ended				Six Months Ended
	July 4, 2026		June 28, 2025		July 4, 2026		June 28, 2025
Net Sales:
Workplace furnishings	$	1,323.7	$	516.0	$	2,509.2	$	957.0
Residential building products	148.7		151.1		310.8		309.8
Total	$	1,472.4	$	667.1	$	2,819.9	$	1,266.8
Cost of Sales:
Workplace furnishings	$	753.0	$	298.4	$	1,514.1	$	571.7
Residential building products	72.2		82.4		158.8		170.6
Total	$	825.2	$	380.9	$	1,672.8	$	742.3
Selling and Administrative Expenses:
Workplace furnishings	$	456.1	$	149.7	$	898.4	$	293.1
Residential building products	46.6		45.0		93.7		90.6
General corporate	30.4		20.7		55.8		39.3
Total	$	533.0	$	215.5	$	1,047.9	$	423.1
Acquisition and Related Costs:
Workplace furnishings	$	1.9	$	—	$	8.5	$	—
General corporate	2.3		—		(0.7)		—
Total	$	4.2	$	—	$	7.8	$	—
Restructuring, Impairment, and Loss on Divestiture:
Workplace furnishings	$	11.1	$	2.0	$	29.1	$	8.4
Residential building products	6.5		—		6.5		—
General corporate	0.3		0.6		0.3		0.6
Total	$	17.9	$	2.5	$	35.9	$	8.9
Operating Income (Loss):
Workplace furnishings	$	101.7	$	65.8	$	59.1	$	83.8
Residential building products	23.4		23.7		51.9		48.6
General corporate	(33.0)		(21.3)		(55.3)		(39.9)

Total	$	92.1	$	68.2	$	55.7	$	92.6
Other Non-Operating Income, Net	2.8		—		4.3		—
Interest Expense, Net	23.7		6.1		44.4		11.7
Income Before Income Taxes	$	71.2	$	62.0	$	15.5	$	80.9

Depreciation and Amortization Expense:
Workplace furnishings	$	57.8	$	16.3	$	124.4	$	33.4
Residential building products	3.9		3.7		7.7		7.3
General corporate	4.5		4.9		9.2		9.8
Total	$	66.2	$	25.0	$	141.4	$	50.5
Capital Expenditures (including capitalized software):
Workplace furnishings	$	25.3	$	9.9	$	54.8	$	20.8
Residential building products	2.5		2.3		5.8		5.5
General corporate	1.2		2.9		4.1		4.9
Total	$	29.0	$	15.0	$	64.7	$	31.2

- Definition

Tabular disclosure of segment reporting. Includes, but is not limited to, reconciliation of reportable segment amount to corresponding consolidated total.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 31
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-31

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-34

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
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-Topic 280
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-Topic 280
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-Section 50
-Paragraph 26C
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-26C

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 26B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-26B

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
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-Section 50
-Paragraph 26A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-26A

Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
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-Publisher FASB
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Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-15

+ Details

Fair Value Measurements of Financial Instruments (Tables)

6 Months Ended

Jul. 04, 2026

Fair Value Disclosures [Abstract]

Schedule of Financial Instruments Measured at Fair Value

Financial instruments measured at fair value were as follows:


	Fair value as of measurement date		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Balance as of July 4, 2026
Cash and cash equivalents (including money market funds) (1)	$	105.0	$	105.0	$	—	$	—
Restricted Cash (3)	$	7.7	$	7.7	$	—	$	—
Mutual funds (3)	$	8.0	$	8.0	$	—	$	—
Government securities (3)	$	8.8	$	—	$	8.8	$	—
Corporate bonds (3)	$	5.6	$	—	$	5.6	$	—
Foreign exchange forward contracts - assets (2)	$	0.1	$	—	$	0.1	$	—
Auction Rate Security (3)	$	2.7	$	—	$	—	$	2.7

Interest rate swap derivative - liability (4)	$	(0.8)	$	—	$	(0.8)	$	—
Foreign exchange forward contracts - liabilities (4)	$	(0.9)	$	—	$	(0.9)	$	—
Put option liability (5)	$	(5.6)	$	—	$	—	$	(5.6)

Balance as of January 3, 2026
Cash and cash equivalents (including money market funds) (1)	$	209.2	$	209.2	$	—	$	—
Restricted Cash (3)	$	8.8	$	8.8	$	—	$	—
Mutual funds (3)	$	11.7	$	11.7	$	—	$	—
Government securities (3)	$	7.0	$	—	$	7.0	$	—
Corporate bonds (3)	$	6.5	$	—	$	6.5	$	—
Foreign exchange forward contracts - assets (2)	$	2.2	$	—	$	2.2	$	—
Auction Rate Security (3)	$	2.7	$	—	$	—	$	2.7
Interest rate swap derivative - liability (4)	$	(2.0)	$	—	$	(2.0)	$	—
Foreign exchange forward contracts - liabilities (4)	$	(0.4)	$	—	$	(0.4)	$	—
Put option liability (5)	$	(5.6)	$	—	$	—	$	(5.6)

Amounts in parentheses indicate liabilities.

The index below indicates the line items in the Condensed Consolidated Balance Sheets where the financial instruments are reported:

(1) "Cash and cash equivalents"

(2) "Prepaid expenses and other current assets"

(3) Current portion - "Short-term investments"; Long-term portion - "Other Assets"

(4) Current portion - "Accounts payable and accrued expenses"; Long-term portion - "Other Long-Term Liabilities"

(5) "Other Long-Term Liabilities"

Guarantees, Commitments, and Contingencies (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jul. 04, 2026 USD ($)	Jul. 04, 2026 USD ($)
Line of Credit Facility [Line Items]
Term of guarantees		4 years
Aggregate amount guaranteed	$ 7	$ 7
Cost of sales, effect of IEEPA tariff	1.50%
Letter of Credit
Line of Credit Facility [Line Items]
Letters of credit	$ 57	57
Trade Letters of Credit and Bankers Acceptances
Line of Credit Facility [Line Items]
Letters of credit	$ 7	$ 7

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References + Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

Debt - Schedule of Debt (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026
Debt Instrument [Line Items]
Deferred debt issuance costs	$ (20.9)	$ (24.3)
Total debt	1,375.2	1,293.1
Current maturities of debt	18.1	16.2
Long-term debt	$ 1,357.1	$ 1,276.9
Revolving Credit Facility
Debt Instrument [Line Items]
Interest rate	5.30%	5.30%
Total debt, gross	$ 103.0	$ 15.0
Term Loan A
Debt Instrument [Line Items]
Interest rate	5.30%	5.20%
Total debt, gross	$ 345.6	$ 350.0
Term Loan B
Debt Instrument [Line Items]
Interest rate	5.40%	5.80%
Total debt, gross	$ 497.5	$ 500.0
Private Placement Notes \| 5.125% Notes Due 2029
Debt Instrument [Line Items]
Interest rate		5.125%
Total debt, gross	450.0	$ 450.0
Other Notes
Debt Instrument [Line Items]
Total debt, gross	$ 0.0	$ 2.4

Restructuring, Impairment, and Loss on Divestiture - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 04, 2026	Jan. 03, 2026
Restructuring and Related Activities [Abstract]
Restructuring reserve	$ 14.0	$ 13.1
Cash payments	$ 24.4

Inventories

6 Months Ended

Jul. 04, 2026

Inventory Disclosure [Abstract]

Inventories

The Corporation’s Residential Building Products inventories, and a majority of its Workplace Furnishings inventories, are valued at cost, on the "last-in, first-out" (LIFO) basis. Remaining inventories are generally valued at the lower of cost, on the "first-in, first-out" (FIFO) basis, or net realizable value. Inventories included in the Condensed Consolidated Balance Sheets consisted of the following:


	July 4, 2026			January 3, 2026

Finished products, net	$	250.1		$	217.3
Materials and work in process, net	301.7			310.7
LIFO allowance	(53.1)			(52.7)
Total inventories, net	$	498.8		$	475.3

Inventory valued by the LIFO costing method	73		%	61		%

The increase in inventory valued at LIFO was driven by additional pools of inventory being valued at LIFO starting in the first quarter of 2026, the impact of which was immaterial to the LIFO allowance.

In addition to the LIFO allowance, the Corporation recorded inventory allowances reducing finished products, materials, and work in process of $11.1 million and $9.7 million as of July 4, 2026 and January 3, 2026, respectively, to adjust for excess and obsolete inventory or otherwise reduce FIFO-basis inventory to net realizable value.

Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	Jul. 04, 2026	Jun. 28, 2025
Statement of Cash Flows [Abstract]
Restricted cash	$ 7.7	$ 2.4
Investment, Type [Extensible Enumeration]	Other Assets	Other Assets

- Definition

Indicates type of investment. Includes, but is not limited to, common stock, preferred stock, convertible security, fixed income security, government security, option purchased, warrant, loan participation and assignment, commercial paper, bankers' acceptance, certificates of deposit, short-term security, repurchase agreement, and other investment company.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478795/946-210-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478795/946-210-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-12(Column C)(Footnote 5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.12-12A(Column C)(Footnote 4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-2

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-12B(Column C)(Footnote 2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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-Name Accounting Standards Codification
-Section S99
-Paragraph 6
-Subparagraph (SX 210.12-14(Column F)(Footnote 7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.12-12A(Column A)(Footnote 2))
-Publisher FASB
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 6
-Subparagraph (SX 210.12-14(Column A)(Footnote 2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-12(Column A)(Footnote 2)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-1

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-12B(Column A)(Footnote 1)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3

+ Details

Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Millions

6 Months Ended

Jul. 04, 2026

Jun. 28, 2025

Net Cash Flows From (To) Operating Activities:

Net income

$ 12.3

$ 62.2

Non-cash items included in net income:

Depreciation and amortization

141.4

50.5

Other post-retirement and post-employment benefits

1.7

0.5

Stock-based compensation

27.7

10.1

Deferred income taxes

10.1

(7.3)

Asset impairment charges

15.2

0.0

Loss on sale of subsidiary

0.0

6.4

Inventory step-up

31.3

0.0

Other – net

0.9

2.8

Net change in cash from operating assets and liabilities:

Receivables

(59.4)

(53.7)

Inventories

(26.4)

(24.9)

Prepaid Expenses and Other

(55.4)

1.9

Accounts payable and accrued expenses

(84.5)

(10.6)

Income taxes payable

(3.1)

4.3

Increase (decrease) in other liabilities

(43.8)

1.6

Net cash flows from (to) operating activities

(32.0)

43.7

Net Cash Flows From (To) Investing Activities:

Capital expenditures

(62.4)

(30.3)

Capitalized software

(2.3)

(0.9)

Purchase of investments

(2.8)

(1.5)

Sales or maturities of investments

6.2

2.3

Net proceeds from sale of subsidiary

0.0

8.5

Investment in Unconsolidated Affiliate Purchases

(46.4)

0.0

Net proceeds from sale of subsidiary

8.8

0.0

Proceeds from sale of property, plant, and equipment

18.5

3.5

Other

0.7

0.0

Net cash flows from (to) investing activities

(79.8)

(18.4)

Net Cash Flows From (To) Financing Activities:

Payments of debt

(236.7)

(193.0)

Proceeds from debt

315.4

293.0

Dividends paid

(52.1)

(31.9)

Purchase of HNI Corporation common stock

0.0

(79.8)

Proceeds from sales of HNI Corporation common stock

1.4

1.8

(20.5)

(4.4)

Other – net

(1.2)

(1.7)

Net cash flows from (to) financing activities

6.4

(15.8)

Net increase (decrease) in cash and cash equivalents

(105.3)

9.5

Cash, cash equivalents, and restricted cash at beginning of period

217.9

22.5

Cash, cash equivalents, and restricted cash at end of period

^[1]

$ 112.6

$ 32.0

[1]	Restricted cash as of July 4, 2026 and June 28, 2025 was $7.7 million and $2.4 million, respectively, and is included in "Other Assets" in the Consolidated Balance Sheets

Stock-Based Compensation - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Share-Based Payment Arrangement [Abstract]
Compensation cost	$ 9.6	$ 3.3	$ 27.7	$ 10.1

Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jul. 04, 2026	Jan. 03, 2026
Current Assets:
Cash and cash equivalents	$ 105.0	$ 209.2
Short-term investments	3.2	6.5
Receivables	630.9	571.1
Allowance for credit losses	(1.5)	(1.1)
Inventories, net	498.8	475.3
Prepaid expenses and other current assets	174.3	150.9
Total Current Assets	1,410.6	1,411.9
Property, Plant, and Equipment:
Land and land improvements	84.1	99.1
Buildings	533.6	529.1
Machinery and equipment	1,089.6	1,128.5
Construction in progress	55.1	58.5
Property plant and equipment	1,762.4	1,815.2
Less accumulated depreciation	(737.8)	(678.0)
Net Property, Plant, and Equipment	1,024.6	1,137.2
Right-of-use - Finance Leases	11.8	11.3
Right-of-use - Operating Leases	246.0	274.5
Goodwill and Other Intangible Assets, net	1,792.6	1,702.6
Other Assets	331.9	347.6
Total Assets	4,817.6	4,885.0
Current Liabilities:
Accounts payable and accrued expenses	914.9	1,016.4
Current maturities of debt	18.1	16.2
Current maturities of other long-term obligations	32.7	38.2
Current lease obligations - Finance	4.2	4.2
Current lease obligations - Operating	65.6	64.4
Total Current Liabilities	1,035.6	1,139.3
Long-Term Debt	1,357.1	1,276.9
Long-Term Lease Obligations - Finance	7.9	7.3
Long-Term Lease Obligations - Operating	191.2	224.6
Other Long-Term Liabilities	190.7	220.4
Deferred Income Taxes	230.0	180.9
Total Liabilities	3,012.4	3,049.5
Equity:
HNI Corporation shareholders’ equity	1,805.2	1,835.6
Total Equity	1,805.2	1,835.6
Total Liabilities and Equity	$ 4,817.6	$ 4,885.0

Acquisitions and Divestitures (Tables)

6 Months Ended

Jul. 04, 2026

Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]

Schedule of Total Fair Market Value of Consideration

The total fair market value of consideration was $1,922.3 million, which is allocated as follows:


	Steelcase Shares	HNI Shares Exchanged	Fair Value
Cash Consideration:
Shares of Steelcase common stock issued and outstanding as of December 10, 2025	114.8		826.8
Steelcase common stock equivalent shares as of December 10, 2025	6.9		37.6
Total number of shares of Steelcase common stock for cash consideration	121.7		864.5

Share Consideration:
Shares of Steelcase common stock issued and outstanding as of December 10, 2025	114.8	25.2	1,012.5

Replacement Share-Based Awards:
Outstanding awards of Steelcase restricted stock units relating to Steelcase common stock as of December 10, 2025	4.2	0.9	26.9
Outstanding Steelcase performance unit awards relating to Steelcase common stock as of December 10, 2025	2.7	0.6	18.5

Total acquisition date fair value of purchase consideration			$	1,922.3

Schedule of Acquisition

The preliminary purchase price allocation at the date of acquisition is as follows:



	December 10, 2025
Assets
Cash and cash equivalents	$	429.3
Restricted cash	7.3
Receivables	393.4
Inventories	351.4
Prepaid expenses and other current assets	110.3

Property, plant, and equipment	551.8
Right-of-use operating leases	175.2
Goodwill	391.2
Identified intangible assets	871.0
Other assets	229.6

Total Assets	$	3,510.5

Liabilities
Accounts payable and accrued expenses	$	709.7
Current lease obligations – operating	43.7
Long Term Debt	437.5
Long-term lease obligations – operating	130.4
Other long-term liabilities	129.7
Deferred income taxes	137.2
Total Liabilities	$	1,588.1

Net Assets and Liabilities	$	1,922.3


	Three Months Ended - July 4, 2026		Six Months Ended - July 4, 2026
Net sales	$	806.9	$	1,580.8
Net loss	$	(11.6)	$	(71.3)

Schedule of Acquired Identified Intangible Assets And Weighted Average Useful Lives

The following table summarizes the acquired identified intangible assets and weighted average useful lives:

Basis of Presentation (Policies)	6 Months Ended
Basis of Presentation (Policies)	Jul. 04, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	The accompanying unaudited, condensed consolidated financial statements of HNI Corporation (individually and together with its consolidated subsidiaries, the "Corporation" or "HNI") have been prepared in accordance with generally accepted accounting principles ("GAAP") for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements. The January 3, 2026 consolidated balance sheet included in this Form 10-Q was derived from audited financial statements but does not include all disclosures required by GAAP. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair statement have been included. Operating results for the six-months ended July 4, 2026 are not necessarily indicative of the results expected for the fiscal year ending January 2, 2027 or for any other period. For further information, refer to the consolidated financial statements and accompanying notes included in the Corporation's Annual Report on Form 10-K for the fiscal year ended January 3, 2026 filed with the Securities and Exchange Commission. All dollar amounts presented are in millions, except per share data or where otherwise indicated. Amounts may not sum due to rounding.
Inventories	The Corporation’s Residential Building Products inventories, and a majority of its Workplace Furnishings inventories, are valued at cost, on the "last-in, first-out" (LIFO) basis. Remaining inventories are generally valued at the lower of cost, on the "first-in, first-out" (FIFO) basis, or net realizable value.
Impairment Analysis	Impairment Analysis The Corporation evaluates its goodwill and indefinite-lived intangible assets for impairment on an annual basis during the fourth quarter, or whenever indicators of impairment exist. The Corporation also evaluates long-lived assets (which include definite-lived intangible assets) for impairment if indicators exist.
Product Warranties	The Corporation issues certain warranty policies on its Workplace Furnishings and Residential Building Products that provide for repair or replacement of any covered product or component that fails during normal use because of a defect in design, materials, or workmanship. The duration of warranty policies on the Corporation’s products varies based on the type of product. Allowances have been established for the anticipated future costs associated with the Corporation’s warranty programs. A warranty allowance is determined by recording a specific allowance for known warranty issues and an additional allowance for unknown claims expected to be incurred based on historical claims experience. Actual claims incurred could differ materially from the original estimates, requiring adjustments to the allowance.
Fair Value Measurements of Financial Instruments	For recognition purposes, on a recurring basis, the Corporation is required to measure at fair value its marketable securities, derivative financial instruments, put option liabilities, and auction rate securities. The marketable securities are comprised of money market funds, government securities, corporate bonds, and mutual funds. When available, the Corporation uses quoted market prices to determine fair value and classifies such measurements within Level 1. Where market prices are not available, the Corporation makes use of observable market-based inputs (prices or quotes from published exchanges and indexes) to calculate fair value using the market approach, in which case the measurements are classified within Level 2. Significant unobservable inputs, which are classified within Level 3, are used in the estimation of the fair value of put option liabilities and auction rate securities, determined using a simulation model based on assumptions including future cash flows, discount rates, and volatility. The activity for assets and liabilities measured at estimated fair value using Level 3 during the current- and prior-year period was immaterial.
Stock-Based Compensation	The Corporation measures stock-based compensation expense at grant date, based on the fair value of the award. Forms of awards issued under shareholder-approved plans include stock options, restricted stock units based on a service condition ("restricted stock units"), restricted stock units based on both performance and service conditions ("performance stock units"), and shares issued under member stock purchase plans. Stock-based compensation expense related to stock options, restricted stock units, and performance stock units is recognized over the employees’ requisite service periods, adjusted for an estimated forfeiture rate for those awards not expected to vest. Additionally, expense related to performance stock units is periodically adjusted for the probable number of shares to be awarded based on Corporation achievement within an established target range of cumulative profitability over a multi-year period. There were no stock options granted during the periods covered below, and as of July 4, 2026, there was no unrecognized compensation cost related to stock option awards.
Reportable Segment Information	Management views the Corporation as two reportable segments based on industries: Workplace Furnishings and Residential Building Products. On December 10, 2025, the Corporation completed its acquisition of Steelcase, which is included in the Workplace Furnishings segment. The Workplace Furnishings segment designs, manufactures, and markets a broad line of commercial office furniture which includes panel-based and freestanding furniture systems, seating, storage, benching, tables, architectural products, social collaborative items, ancillary products, and hospitality products. The Residential Building Products segment manufactures and markets a full array of gas, wood, electric, and pellet-fueled fireplaces, inserts, stoves, facings, outdoor fire pits and fire tables, and accessories. For purposes of segment reporting, intercompany sales between segments are immaterial, and operating profit is income before income taxes exclusive of certain unallocated corporate expenses. These unallocated general corporate expenses include the net costs of the Corporation’s corporate operations. Management views interest income and expense as corporate financing costs and not as a reportable segment cost. In addition, management applies an effective income tax rate to its consolidated income before income taxes so income taxes are not reported or viewed internally on a segment basis. The Corporation's chief operating decision maker ("CODM") is the Chairman, President, and Chief Executive Officer. On a regular basis the CODM receives a reporting package that includes summarized financial results of the Corporation and its underlying operating segments. In evaluating the performance of the segments and making resource allocation decisions across the organization, the CODM is primarily focused on operating income, including analysis of trends, budget-to-actual variances, and performance against historical comparable periods.

Goodwill and Other Intangible Assets - Schedule of Estimated Amortization Expense (Details) $ in Millions	Jul. 04, 2026 USD ($)
Intangible Asset, Goodwill and Other [Abstract]
2026	$ 57.1
2027	83.1
2028	74.7
2029	74.2
2030	$ 73.9