MillerKnoll (MLKN) 10-Q 6 Jan 25 2025 Q2 Quarterly report Financial data

Cover Page

Cover Page - shares	6 Months Ended
	Nov. 30, 2024	Jan. 02, 2025
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Nov. 30, 2024
Document Transition Report	false
Entity File Number	001-15141
Entity Registrant Name	MillerKnoll, Inc.
Entity Incorporation, State or Country Code	MI
Entity Tax Identification Number	38-0837640
Entity Address, Address Line One	855 East Main Avenue
Entity Address, City or Town	Zeeland
Entity Address, State or Province	MI
Entity Address, Postal Zip Code	49464
City Area Code	616
Local Phone Number	654-3000
Title of 12(b) Security	Common Stock, par value $0.20 per share
Trading Symbol	MLKN
Security Exchange Name	NASDAQ
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		68,158,992
Entity Central Index Key	0000066382
Amendment Flag	false
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--05-31

Condensed Consolidated Statemen

Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Income Statement [Abstract]
Net sales	$ 970.4	$ 949.5	$ 1,831.9	$ 1,867.2
Cost of sales	593.4	577.5	1,118.6	1,137.1
Gross margin	377	372	713.3	730.1
Operating expenses:
Selling, general and administrative	289.9	287.6	588.3	578.1
Restructuring expense	0	1.8	0	7
Design and research	24.6	22.2	47.3	44.3
Total operating expenses	314.5	311.6	635.6	629.4
Operating earnings	62.5	60.4	77.7	100.7
Interest expense	20.4	19.8	40.3	39
Interest and other investment (income) expense	(1.5)	(1.3)	(3.1)	(3.5)
Other (income) expense, net	(1.3)	(2.4)	(2.7)	(0.2)
Earnings before income taxes and equity income	44.9	44.3	43.2	65.4
Income tax expense	9.8	9.5	8.7	14.6
Equity income (loss) from nonconsolidated affiliates, net of tax	0.1	(0.4)	0.2	(0.3)
Net earnings	35.2	34.4	34.7	50.5
Net earnings attributable to redeemable noncontrolling interests	1.1	0.9	1.8	0.3
Net earnings attributable to MillerKnoll, Inc.	$ 34.1	$ 33.5	$ 32.9	$ 50.2
Earnings per share - basic (in dollar per share)	$ 0.49	$ 0.45	$ 0.47	$ 0.67
Earnings per share - diluted (in dollar per share)	$ 0.49	$ 0.45	$ 0.47	$ 0.67
Other comprehensive (loss) income, net of tax
Foreign currency translation adjustments	$ (36.2)	$ 7.3	$ (20.8)	$ 11.2
Pension and post-retirement liability adjustments	2.8	0	2.9	(0.1)
Unrealized gain (loss) on interest rate swap agreement	3.6	(7.9)	(17.7)	(0.1)
Other comprehensive (loss) income, net of tax	(29.8)	(0.6)	(35.6)	11
Comprehensive income (loss)	5.4	33.8	(0.9)	61.5
Comprehensive income attributable to redeemable noncontrolling interests	1.1	0.9	1.8	0.3
Comprehensive income (loss) attributable to MillerKnoll, Inc.	$ 4.3	$ 32.9	$ (2.7)	$ 61.2

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Nov. 30, 2024	Jun. 01, 2024
Current Assets:
Cash and cash equivalents	$ 221.1	$ 230.4
Accounts receivable, net of allowance of $8.1 and $7.4	327.8	308.3
Unbilled accounts receivable	43.7	22.2
Inventories, net	430.6	428.6
Prepaid expenses	85.9	66.5
Assets held for sale	3.2	3.5
Other current assets	13.5	10.1
Total current assets	1,125.8	1,069.6
Property and equipment, at cost	1,611.1	1,582.7
Less — accumulated depreciation	(1,126.7)	(1,090.7)
Net property and equipment	484.4	492
Right of use assets	373.5	375.6
Goodwill	1,218.2	1,226.3
Indefinite-lived intangibles	462.5	465.5
Other amortizable intangibles, net of accumulated amortization of $240.6 and $223.4	259.5	279.3
Other noncurrent assets	112.3	135.3
Total Assets	4,036.2	4,043.6
Current Liabilities:
Accounts payable	244.7	241.4
Short-term borrowings and current portion of long-term debt	48.7	43.5
Accrued compensation and benefits	83.6	104.5
Short-term lease liability	71.3	67.2
Accrued warranty	16.8	17.6
Customer deposits	96.7	100.2
Other accrued liabilities	141.9	123.3
Total current liabilities	703.7	697.7
Long-term debt	1,343.2	1,291.7
Pension and post-retirement benefits	6.9	10
Lease liabilities	376.2	360.4
Other liabilities	222	224.8
Total Liabilities	2,652	2,584.6
Redeemable noncontrolling interests	73.4	73.9
Stockholders' Equity:
Preferred stock, no par value (10,000,000 shares authorized, none issued)	0	0
Common stock, $0.20 par value (240,000,000 shares authorized, 68,434,419 and 70,377,692 shares issued and outstanding in fiscal 2025 and 2024, respectively)	13.7	14.1
Additional paid-in capital	680.3	725.3
Retained earnings	745.1	738.4
Accumulated other comprehensive loss	(128.3)	(92.7)
Total Stockholders' Equity	1,310.8	1,385.1
Total Liabilities, Redeemable Noncontrolling Interests, and Stockholders' Equity	$ 4,036.2	$ 4,043.6

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Nov. 30, 2024	Jun. 01, 2024
Statement of Financial Position [Abstract]
Accounts receivable, allowance	$ 8.1	$ 7.4
Other amortizable intangibles, accumulated amortization	$ 240.6	$ 223.4
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in dollar per share)	$ 0.20	$ 0.20
Common stock, shares authorized (in shares)	240,000,000	240,000,000
Common stock, shares, issued (in shares)	68,434,419	70,377,692
Common stock, shares, outstanding (in shares)	68,434,419	70,377,692

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023
Cash Flows from Operating Activities:
Net earnings	$ 34.7	$ 50.5
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	70.3	74.6
Stock-based compensation	17.9	11.7
Amortization of deferred financing costs	2.3	2.3
Loss on sale of equity method investment	0	0.4
Operating leases	4.6	(2.3)
Deferred taxes	0.9	(0.3)
Restructuring expense	0	7
(Increase) decrease in current assets	(75.1)	71
Increase (decrease) in current liabilities	18	(1.7)
Other, net	2.8	0.2
Net Cash Provided by Operating Activities	76.4	213.4
Cash Flows from Investing Activities:
Advances of notes receivable	(2.3)	(7.1)
Collection of notes receivable	3.2	1
Proceeds from the sale of equity method investment	0	3.5
Capital expenditures	(44.9)	(39.9)
Other, net	(0.8)	1.2
Net Cash Used in Investing Activities	(44.8)	(41.3)
Cash Flows from Financing Activities:
Repayments of long-term debt	(18.1)	(13.1)
Proceeds from credit facility	486.6	386.1
Repayments of credit facility	(413.5)	(457.8)
Dividends paid	(26.2)	(28.1)
Common stock issued	3.4	1.9
Common stock repurchased and retired	(66.9)	(60)
Other, net	0.8	0.2
Net Cash Used in Financing Activities	(33.9)	(170.8)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(7)	1
Net Decrease in Cash and Cash Equivalents	(9.3)	2.3
Cash and Cash Equivalents, Beginning of Period	230.4	223.5
Cash and Cash Equivalents, End of Period	$ 221.1	$ 225.8

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Balance at beginning of period (in shares) at Jun. 03, 2023		75,698,670
Balance at beginning of period at Jun. 03, 2023	$ 1,432.6	$ 15.1	$ 836.5	$ 676.1	$ (95.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	16.7			16.7
Other comprehensive income (loss), net of tax	11.6				11.6
Stock-based compensation expense (in shares)		(983)
Stock-based compensation expense	6.4		6.4
Restricted and performance stock units released (in shares)		332,566
Restricted and performance stock units released	0.2	$ 0.1	0.1
Employee stock purchase plan issuances (in shares)		45,107
Employee stock purchase plan issuances	0.9		0.9
Repurchase and retirement of common stock, including excise tax (in shares)		(1,670,135)
Repurchase and retirement of common stock, including excise tax	(32)	$ (0.3)	(31.7)
Dividends declared	(14.1)			(14.1)
Balance at end of period (in shares) at Sep. 02, 2023		74,405,225
Balance at end of period at Sep. 02, 2023	1,422.3	$ 14.9	812.2	678.7	(83.5)
Balance at beginning of period (in shares) at Jun. 03, 2023		75,698,670
Balance at beginning of period at Jun. 03, 2023	1,432.6	$ 15.1	836.5	676.1	(95.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	50.2
Other comprehensive income (loss), net of tax	11
Balance at end of period (in shares) at Dec. 02, 2023		73,077,659
Balance at end of period at Dec. 02, 2023	1,420.6	$ 14.6	791.5	698.6	(84.1)
Balance at beginning of period (in shares) at Sep. 02, 2023		74,405,225
Balance at beginning of period at Sep. 02, 2023	1,422.3	$ 14.9	812.2	678.7	(83.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	33.5			33.5
Other comprehensive income (loss), net of tax	(0.6)				(0.6)
Stock-based compensation expense	5.3		5.3
Exercise of stock options (in shares)		19,429
Exercise of stock options	0.4		0.4
Restricted and performance stock units released (in shares)		11,887
Restricted and performance stock units released	1.3		1.3
Employee stock purchase plan issuances (in shares)		31,669
Repurchase and retirement of common stock, including excise tax (in shares)		(1,390,551)
Repurchase and retirement of common stock, including excise tax	(28)	$ (0.3)	(27.7)
Dividends declared	(13.7)			(13.7)
Other	0.1			0.1
Balance at end of period (in shares) at Dec. 02, 2023		73,077,659
Balance at end of period at Dec. 02, 2023	$ 1,420.6	$ 14.6	791.5	698.6	(84.1)
Balance at beginning of period (in shares) at Jun. 01, 2024	70,377,692	70,377,692
Balance at beginning of period at Jun. 01, 2024	$ 1,385.1	$ 14.1	725.3	738.4	(92.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	(1.2)			(1.2)
Other comprehensive income (loss), net of tax	(5.8)				(5.8)
Stock-based compensation expense	9.1		9.1
Exercise of stock options (in shares)		71,848
Exercise of stock options	1.5		1.5
Restricted and performance stock units released (in shares)		393,591
Restricted and performance stock units released	0.2	$ 0.1	0.1
Employee stock purchase plan issuances (in shares)		30,002
Employee stock purchase plan issuances	0.8		0.8
Repurchase and retirement of common stock, including excise tax (in shares)		(1,544,733)
Repurchase and retirement of common stock, including excise tax	(44)	$ (0.3)	(43.7)
Dividends declared	(13.2)			(13.2)
Balance at end of period (in shares) at Aug. 31, 2024		69,328,400
Balance at end of period at Aug. 31, 2024	$ 1,332.5	$ 13.9	693.1	724	(98.5)
Balance at beginning of period (in shares) at Jun. 01, 2024	70,377,692	70,377,692
Balance at beginning of period at Jun. 01, 2024	$ 1,385.1	$ 14.1	725.3	738.4	(92.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	32.9
Other comprehensive income (loss), net of tax	$ (35.6)
Balance at end of period (in shares) at Nov. 30, 2024	68,434,419	68,434,419
Balance at end of period at Nov. 30, 2024	$ 1,310.8	$ 13.7	680.3	745.1	(128.3)
Balance at beginning of period (in shares) at Aug. 31, 2024		69,328,400
Balance at beginning of period at Aug. 31, 2024	1,332.5	$ 13.9	693.1	724	(98.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	34.1			34.1
Other comprehensive income (loss), net of tax	(29.8)				(29.8)
Stock-based compensation expense	8.8		8.8
Exercise of stock options (in shares)		21,318
Exercise of stock options	0.4		0.4
Restricted and performance stock units released (in shares)		6,323
Restricted and performance stock units released	0.4		0.4
Employee stock purchase plan issuances (in shares)		32,251
Employee stock purchase plan issuances	0.7		0.7
Repurchase and retirement of common stock, including excise tax (in shares)		(955,646)
Repurchase and retirement of common stock, including excise tax	(23.4)	$ (0.2)	(23.2)
Dividends declared	(13)			(13)
Directors' fees (in shares)		1,773
Directors' fees	$ 0.1		0.1
Balance at end of period (in shares) at Nov. 30, 2024	68,434,419	68,434,419
Balance at end of period at Nov. 30, 2024	$ 1,310.8	$ 13.7	$ 680.3	$ 745.1	$ (128.3)

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Nov. 30, 2024	Aug. 31, 2024	Dec. 02, 2023	Sep. 02, 2023
Statement of Stockholders' Equity [Abstract]
Dividends declared (in dollars per share)	$ 0.1875	$ 0.1875	$ 0.1875	$ 0.1875

Description of Business

Description of Business	6 Months Ended
	Nov. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of Business	Description of Business MillerKnoll, Inc. (the "Company") researches, designs, manufactures, sells, and distributes interior furnishings for use in various environments including residential, office, healthcare, and educational settings and provides related services that support organizations and individuals all over the world. The Company's products are sold primarily through the following channels: independent contract office furniture dealers, direct customer sales, owned and independent retailers, and the Company's eCommerce platforms. MillerKnoll is a collective of dynamic brands that comes together to design the world we live in. A global leader in design, MillerKnoll includes Herman Miller® and Knoll®, as well as Colebrook Bosson Saunders®, DatesWeiser®, Design Within Reach®, Edelman®, Geiger®, HAY®, Holly Hunt®, KnollTextiles®, Maharam®, Muuto®, NaughtOne®, and Spinneybeck®|FilzFelt®. MillerKnoll represents over 100 years of design research and exploration in service of humanity. MillerKnoll generates insights, pioneers innovations, and champions ideas that empower our brands and our people to realize their ambitions. The Company is united by a belief in design as a tool to create positive impact and shape a more sustainable, caring, and beautiful future for all people and the planet. Basis of Presentation The Condensed Consolidated Financial Statements have been prepared by MillerKnoll, Inc. in accordance with accounting principles generally accepted in the United States of America ("U.S. 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 footnotes required by U.S. GAAP for complete financial statements. Management believes the disclosures made in this document are adequate with respect to interim reporting requirements. Unless otherwise noted or indicated by the context, all references to "MillerKnoll," "we," "our," "Company" and similar references are to MillerKnoll, Inc., its predecessors, and controlled subsidiaries. The accompanying unaudited Condensed Consolidated Financial Statements, taken as a whole, contain all adjustments that are of a normal recurring nature necessary to present fairly the financial position of the Company as of November 30, 2024. Operating results for the three and six months ended November 30, 2024, are not necessarily indicative of the results that may be expected for the year ending May 31, 2025 ("fiscal 2025"). These Condensed Consolidated Financial Statements should be read in conjunction with the financial statements and notes thereto included in the Company's Annual Report on Form 10-K for the year ended June 1, 2024 ("fiscal 2024"). All intercompany transactions have been eliminated in the Condensed Consolidated Financial Statements. The financial statements of equity method investments are not consolidated. The Company's fiscal year is the 52 or 53 week period ending on the Saturday closest to May 31. The fiscal year ending May 31, 2025 ("fiscal 2025") and the fiscal year ended June 1, 2024 ("fiscal 2024") both contain 52 weeks. Cash and Cash Equivalents Certain of the Company’s subsidiaries participate in a notional cash pooling arrangement to manage global liquidity requirements. As part of a master netting arrangement, the participants combine their cash balances in pooling accounts at the same financial institution with the ability to offset bank overdrafts of one participant against positive cash account balances held by another participant. Under the terms of the master netting arrangement, the financial institution has the right, ability, and intent to offset a positive balance in one account against an overdrawn amount in another account. Amounts in each of the accounts are unencumbered and unrestricted with respect to use. As such, the net cash balance related to this pooling arrangement is included in Cash and cash equivalents in the accompanying Consolidated Balance Sheets. The Company’s net cash pool position consisted of the following: (In millions) November 30, 2024 June 1, 2024 Gross cash position $ 70.1 $ 26.6 Less: cash borrowings (69.3) (23.0) Net cash position $ 0.8 $ 3.6

Recently Issued Accounting Stan

Recently Issued Accounting Standards	6 Months Ended
	Nov. 30, 2024
Accounting Standards Update and Change in Accounting Principle [Abstract]
Recently Issued Accounting Standards	Recently Issued Accounting Standards The Company evaluates all Accounting Standards Updates ("ASUs") issued by the Financial Accounting Standards Board ("FASB") for consideration of their applicability to our consolidated financial statements. Recently Issued Accounting Standards Not Yet Adopted ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. In November 2023, the FASB issued this ASU to update reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses and information used to assess segment performance. The ASU becomes effective for the Company beginning with its annual period ending May 31, 2025, and interim periods beginning with the first quarter of fiscal 2026. The Company expects the adoption of this guidance will modify our disclosures, but we do not expect it to have a material effect on our financial position, results of operations, or cash flows. ASU 2023-09, Income Taxes (Topic 740): Improvements to Tax Disclosures. In December 2023, the FASB issued this ASU which expands disclosures in an entity’s income tax rate reconciliation table and regarding cash taxes paid both in the U.S. and foreign jurisdictions. The update will be effective for annual periods beginning after December 15, 2024. The Company expects the adoption of this guidance will modify our disclosures, but we do not expect it to have a material effect on our financial position, results of operations, or cash flows. ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. In November 2024, the FASB issued this ASU which requires disclosure on an annual and interim basis, in the notes to the financial statements, of disaggregated information about specific categories underlying certain income statement expense line items. The guidance is effective for annual periods beginning after December 15, 2026, and interim periods beginning after December 15, 2027, applied retrospectively. The Company is currently reviewing the provisions of the amendments in this update and evaluating their impact on the Company’s consolidated financial statements. We have assessed all other ASUs issued but not yet adopted and concluded that those not disclosed are not relevant to the Company or are not expected to have a material impact.

Revenue from Contracts with Cus

Revenue from Contracts with Customers	6 Months Ended
	Nov. 30, 2024
Revenue from Contract with Customer [Abstract]
Revenue from Contracts with Customers	Revenue from Contracts with Customers Disaggregated Revenue Revenue disaggregated by contract type is provided in the table below: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Net Sales: Single performance obligation Product revenue $ 904.1 $ 871.3 $ 1,693.3 $ 1,716.8 Multiple performance obligations Product revenue 63.6 74.9 132.5 143.6 Service revenue 1.3 1.0 2.2 2.0 Other 1.4 2.3 3.9 4.8 Total $ 970.4 $ 949.5 $ 1,831.9 $ 1,867.2 The Company internally reports and evaluates products based on the categories Workplace, Performance Seating, Lifestyle, and Other. A description of these categories is included below. The Workplace category includes products centered on creating highly functional and productive settings for both groups and individuals. This category focuses on the development of products, beyond seating, that define boundaries, support work, and enable productivity. The Performance Seating category includes products centered on seating ergonomics, productivity, and function across an evolving and diverse range of settings. This category focuses on the development of ergonomic seating solutions for specific use cases requiring more than basic utility. The Lifestyle category includes products focused on bringing spaces to life through beautiful yet functional products. This category focuses on the development of products that support a way of living, in thoughtful yet elevated ways. The products in this category help create emotive and visually appealing spaces via a portfolio that offers diversity in aesthetics, price, and performance. The Other category primarily consists of textiles, uncategorized product sales, and service sales. Revenue disaggregated by product type and reportable segment is provided in the table below: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Americas Contract: Workplace $ 330.8 $ 311.3 $ 615.3 $ 635.5 Performance Seating 106.1 103.8 212.3 207.1 Lifestyle 63.6 56.0 121.0 116.6 Other 3.7 5.0 10.2 7.3 Total Americas Contract $ 504.2 $ 476.1 $ 958.8 $ 966.5 International Contract & Specialty: Workplace $ 44.2 $ 36.5 $ 73.7 $ 75.2 Performance Seating 70.8 64.3 126.0 116.9 Lifestyle 85.3 88.9 167.9 177.3 Other 46.0 51.5 92.2 100.1 Total International Contract & Specialty $ 246.3 $ 241.2 $ 459.8 $ 469.5 Global Retail: Workplace $ 2.1 $ 3.3 $ 4.7 $ 7.5 Performance Seating 53.2 55.6 97.0 97.7 Lifestyle 164.3 172.9 311.0 325.4 Other 0.3 0.4 0.6 0.6 Total Global Retail $ 219.9 $ 232.2 $ 413.3 $ 431.2 Total $ 970.4 $ 949.5 $ 1,831.9 $ 1,867.2 Refer to Note 14 of the Condensed Consolidated Financial Statements for further information related to our reportable segments. Contract Balances Customers may make payments before the satisfaction of the Company's performance obligation and recognition of revenue. These payments represent contract liabilities and are included within the caption “Customer deposits” in the Condensed Consolidated Balance Sheets. During the three and six months ended November 30, 2024, the Company recognized Net sales of $8.8 million and $81.6 million, respectively, related to customer deposits that were included in the balance sheet as of June 1, 2024. During the three and six months ended December 2, 2023, the Company recognized Net sales of $24.4 million and $71.9 million respectively, related to customer deposits that were included in the balance sheet as of June 3, 2023.

Inventories, net

Inventories, net	6 Months Ended
	Nov. 30, 2024
Inventory Disclosure [Abstract]
Inventories, net	Inventories, net (In millions) November 30, 2024 June 1, 2024 Finished goods and work in process $ 319.6 $ 314.3 Raw materials 111.0 114.3 Total $ 430.6 $ 428.6

Goodwill and Indefinite-Lived I

Goodwill and Indefinite-Lived Intangibles	6 Months Ended
	Nov. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Indefinite-Lived Intangibles	Goodwill and Indefinite-Lived Intangibles Changes in the carrying amount of Goodwill, by reportable segment, were as follows: (In millions) Americas Contract (1) International Contract & Specialty Global Retail (2) Total Balance at June 1, 2024 $ 530.1 $ 304.4 $ 391.8 $ 1,226.3 Foreign currency translation adjustments (2.4) (2.6) (3.1) (8.1) Balance at November 30, 2024 $ 527.7 $ 301.8 $ 388.7 $ 1,218.2 (1) Americas Contract segment had accumulated goodwill impairments of $36.7 million as of November 30, 2024, and June 1, 2024. (2) Global Retail segment had accumulated goodwill impairments of $88.8 million as of November 30, 2024, and June 1, 2024. Other indefinite-lived assets included in the Consolidated Balance Sheets consist of the following: (In millions) Indefinite-lived Intangible Assets June 1, 2024 $ 465.5 Foreign currency translation adjustments (3.0) November 30, 2024 $ 462.5 Goodwill is tested for impairment at the reporting unit level annually, or more frequently when events or changes in circumstances indicate that the fair value of a reporting unit has more likely than not declined below its carrying value. When testing goodwill for impairment, the Company may first assess qualitative factors. If an initial qualitative assessment identifies that it is more likely than not that the carrying value of a reporting unit exceeds its estimated fair value, additional quantitative testing is performed. The Company may also elect to bypass the qualitative testing and proceed directly to the quantitative testing. If the quantitative testing indicates that goodwill is impaired, the carrying value of goodwill is written down to fair value. Each of the reporting units, other than the Global Retail reporting unit, was reviewed for impairment using a qualitative assessment as of March 31, 2024, our annual testing date. The Global Retail reporting unit was reviewed for impairment using a quantitative assessment as of March 31, 2024. In performing the qualitative and quantitative impairment tests for fiscal year 2024, the Company determined that the fair value of its reporting units exceeded the carrying amount and, as such, these reporting units were not impaired. During the second quarter of fiscal year 2025, the Company performed an assessment to determine whether there were indicators of a triggering event which could indicate the carrying amount of the reporting units may not be supported by the fair value. No indicators of a triggering event for potential impairment were noted in the second quarter of fiscal 2025. The Company generally uses the discounted cash flow method under a weighting of the income and market approach to estimate the fair value of our reporting units. These approaches are based on a discounted cash flow analysis and observable comparable company information that use several inputs, including: • actual and forecasted revenue growth rates and operating margins, • discount rates based on the reporting unit's weighted average cost of capital, and • revenue and EBITDA of comparable companies. The Company selected the assumptions used in the financial forecasts using historical data, supplemented by current and anticipated market conditions, management’s long-term strategic plans, and guideline companies.

Employee Benefit Plans

Employee Benefit Plans	6 Months Ended
	Nov. 30, 2024
Retirement Benefits [Abstract]
Employee Benefit Plans	Employee Benefit Plans One of the Company's wholly owned foreign subsidiaries has a defined-benefit pension plan based upon an average final pay benefit calculation. The measurement date for this plan is the last day of the fiscal year and the plan is frozen to new participants. Prior to the end of the second quarter of fiscal 2025 the Knoll subsidiary had one domestic defined-benefit pension plan covering eligible U.S. nonunion employees. The measurement date for this plan is the last day of the fiscal year and the plan is frozen to new participants. During the fourth quarter of the year ended June 1, 2024, the Company began the process of terminating the defined-benefit pension plan held by the Knoll subsidiary. In the second quarter of fiscal 2025, the Company completed the termination of the the defined-benefit pension plan held by the Knoll subsidiary, which was fully funded as of November 30, 2024. During the second quarter of fiscal 2025, the Company settled its obligations under the plan by providing lump-sum payments of $39.9 million to eligible participants who elected to receive them and entering into an annuity purchase contract for the remaining liability of $84.7 million. The Company recognized a pension plan termination gain of $1.5 million during the three months ended November 30, 2024, which represents the acceleration of unamortized net actuarial losses previously included within accumulated other comprehensive income. The gain was recorded in Other (income) expense, net within our Condensed Consolidated Statements of Comprehensive Income. As of November 30, 2024, an asset surplus of $0.6 million remained undistributed in the pension plan that was terminated. The following table summarizes the components of net periodic benefit cost for the Company's defined benefit pension plans: Pension Benefits Three Months Ended November 30, 2024 Three Months Ended December 2, 2023 (In millions) Domestic International Domestic International Service cost $ 0.5 $ — $ — $ — Interest cost 1.1 1.0 1.5 1.0 Expected return on plan assets (1) (0.5) (1.4) (2.3) (1.2) Expected administrative expenses — — 0.2 — Net amortization loss — 0.2 — — Pension plan termination gain (1.5) — — — Net periodic benefit (income) $ (0.4) $ (0.2) $ (0.6) $ (0.2) Six Months Ended November 30, 2024 Six Months Ended December 2, 2023 (In millions) Domestic International Domestic International Service cost $ 0.9 $ — $ — $ — Interest cost 2.7 2.1 3.0 2.0 Expected return on plan assets (1) (2.0) (2.8) (4.6) (2.5) Expected administrative expenses — — 0.4 — Net amortization loss — 0.3 — — Pension plan termination gain (1.5) — — — Net periodic benefit cost (income) $ 0.1 $ (0.4) $ (1.2) $ (0.5) (1) The weighted-average expected long-term rate of return on plan assets is 6.0%. All of the amounts in the tables above for pension benefit cost (income), other than Service cost, were included in Other (income) expense, net within our Condensed Consolidated Statements of Comprehensive Income.

Earnings Per Share

Earnings Per Share	6 Months Ended
	Nov. 30, 2024
Earnings Per Share [Abstract]
Earnings Per Share	Earnings Per Share Basic earnings per share is computed by dividing net earnings attributable to MillerKnoll, Inc. by the weighted-average number of common shares outstanding for the period. Diluted earnings per share is computed by dividing net earnings attributable to MillerKnoll, Inc. by the weighted-average number of common shares outstanding, including all potentially dilutive common shares. In periods of loss, there are no potentially dilutive common shares to add to the weighted-average number of common shares outstanding. The table below presents a reconciliation of the numerator and denominator used in the calculation of basic and diluted earnings per share attributable to MillerKnoll, Inc.: Three Months Ended Six Months Ended November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Numerator : Net earnings attributable to MillerKnoll, Inc. - in millions $ 34.1 $ 33.5 $ 32.9 $ 50.2 Denominator : Weighted-average common shares outstanding - basic 69,298,740 73,655,409 69,748,265 74,573,958 Potentially dilutive shares resulting from stock plans 734,219 584,884 1,020,282 503,754 Weighted-average common shares outstanding - diluted 70,032,959 74,240,293 70,768,547 75,077,712 Earnings per share attributable to MillerKnoll, Inc. - basic $ 0.49 $ 0.45 $ 0.47 $ 0.67 Earnings per share attributable to MillerKnoll, Inc. - diluted $ 0.49 $ 0.45 $ 0.47 $ 0.67 Antidilutive equity awards not included in weighted-average common shares - diluted 1,376,198 4,277,783 1,259,270 4,079,832

Stock-Based Compensation

Stock-Based Compensation	6 Months Ended
	Nov. 30, 2024
Stock-Based Compensation [Abstract]
Stock-Based Compensation	Stock-Based Compensation The following table summarizes the stock-based compensation expense and related income tax effect for the three and six months ended: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Stock-based compensation expense $ 8.8 $ 5.3 $ 17.9 $ 11.7 Related income tax effect $ 2.2 $ 1.2 $ 4.4 $ 2.8

Income Taxes

Income Taxes	6 Months Ended
	Nov. 30, 2024
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company's process for determining the provision for income taxes for the three and six months ended November 30, 2024, involved using an estimated annual effective tax rate which was based on expected annual income and statutory tax rates across the various jurisdictions in which it operates. The effective tax rates were 21.8% and 21.4%, respectively, for the three month periods ended November 30, 2024, and December 2, 2023. The year over year change in the effective tax rate for the three months ended November 30, 2024, resulted from the current quarter having a mix of earnings in tax jurisdictions that had rates that were higher than the prior year quarter. For the three months ended November 30, 2024, the effective tax rate is slightly higher than the United States federal statutory rate due to United States state income taxes and the mix of earnings in tax jurisdictions that had rates that were higher than the United States federal statutory rate. For the three months ended December 2, 2023, the effective tax rate was slightly higher than the United States federal statutory rate due to United States state income taxes and the mix of earnings in tax jurisdictions that had rates that were higher than the United States federal statutory rate. The effective tax rates were 20.0% and 22.4%, respectively, for the six months ended November 30, 2024, and December 2, 2023. The year over year decrease in the effective rate for the six months ended November 30, 2024, resulted from the current six months having favorable discrete impacts from stock compensation and return to provision true-ups related to the United States research and development tax credit and the prior year quarter having unfavorable discrete impacts related to stock compensation. For the six months ended November 30, 2024, the effective tax rate is lower than the United States federal statutory rate due to favorable discrete impacts from stock compensation and return to provision true-ups related to the United States research and development tax credit. For the six months ended December 2, 2023, the effective tax rate is higher than the United States federal statutory rate due to United States state income taxes and the mix of earnings in tax jurisdictions that had rates that were higher than the United States federal statutory rate coupled with less favorable foreign tax credit impacts from the recapture of an overall domestic loss carryover . The Company recognizes interest and penalties related to uncertain tax benefits through Income tax expense in its Condensed Consolidated Statements of Comprehensive Income. Interest and penalties recognized in the Company's Condensed Consolidated Statements of Comprehensive Income were negligible for the three and six months ended November 30, 2024, and December 2, 2023. The Company's recorded liability for potential interest and penalties related to uncertain tax benefits was: (In millions) November 30, 2024 June 1, 2024 Liability for interest and penalties $ 0.9 $ 0.8 Liability for uncertain tax positions, current $ 1.6 $ 1.5 The Company is subject to periodic audits by domestic and foreign tax authorities. Currently, the Company is undergoing routine periodic audits in both domestic and foreign tax jurisdictions. It is reasonably possible that the amounts of unrecognized tax benefits could change in the next twelve months as a result of these audits. Tax payments related to these audits, if any, are not expected to be material to the Company's Condensed Consolidated Statements of Comprehensive Income. For the majority of tax jurisdictions, the Company is no longer subject to state, local, or non-United States income tax examinations by tax authorities for fiscal years before 2019.

Fair Value Measurements

Fair Value Measurements	6 Months Ended
	Nov. 30, 2024
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair Value Measurements The Company's financial instruments consist of cash equivalents, accounts and notes receivable, deferred compensation plans, accounts payable, debt, interest rate swaps, and foreign currency exchange contracts. The Company's financial instruments, other than long-term debt, are recorded at fair value. The carrying value and fair value of the Company's long-term debt, including current maturities, is as follows for the periods indicated: (In millions) November 30, 2024 June 1, 2024 Carrying value $ 1,402.8 $ 1,347.8 Fair value $ 1,484.4 $ 1,411.6 The following describes the methods the Company uses to estimate the fair value of financial assets and liabilities recorded in net earnings, which have not significantly changed in the current period: Cash and cash equivalents — The Company invests excess cash in short term investments in the form of money market funds, which are valued using net asset value ("NAV"). Deferred compensation plan — The Company's deferred compensation plan primarily includes various domestic and international mutual funds that are recorded at fair value using quoted prices for similar securities. Foreign currency exchange contracts — The Company's foreign currency exchange contracts are valued using an approach based on foreign currency exchange rates obtained from active markets. The estimated fair value of forward currency exchange contracts is based on month-end spot rates as adjusted by market-based current activity. These forward contracts are not designated as hedging instruments. The following table sets forth financial assets and liabilities measured at fair value through net income and the respective pricing levels to which the fair value measurements are classified within the fair value hierarchy as of November 30, 2024, and June 1, 2024. (In millions) November 30, 2024 June 1, 2024 Financial Assets NAV Quoted prices with other observable inputs (Level 2) NAV Quoted prices with other observable inputs (Level 2) Cash equivalents: Money market funds $ 5.0 $ — $ 17.5 $ — Foreign currency forward contracts — 0.4 — 1.1 Deferred compensation plan — 22.4 — 19.1 Total $ 5.0 $ 22.8 $ 17.5 $ 20.2 Financial Liabilities Foreign currency forward contracts — 1.2 — 0.4 Total $ — $ 1.2 $ — $ 0.4 The following describes the methods the Company uses to estimate the fair value of financial assets and liabilities recorded in other comprehensive income, which have not significantly changed in the current period: Interest rate swap agreements — The value of the Company's interest rate swap agreements are determined using a market approach based on rates obtained from active markets. The interest rate swap agreements are designated as cash flow hedging instruments. The following table sets forth financial assets and liabilities measured at fair value through other comprehensive income and the respective pricing levels to which the fair value measurements are classified within the fair value hierarchy as of November 30, 2024, and June 1, 2024. (In millions) November 30, 2024 June 1, 2024 Financial Assets Balance Sheet Location Quoted Prices with Other Observable Inputs (Level 2) Quoted Prices with Other Observable Inputs (Level 2) Interest rate swap agreement Other noncurrent assets $ 39.3 $ 61.7 Total $ 39.3 $ 61.7 Financial Liabilities Interest rate swap agreement Other liabilities $ 1.1 $ — Total $ 1.1 $ — Derivative Instruments and Hedging Activities Foreign Currency Forward Contracts The Company transacts business in various foreign currencies and has established a program that primarily utilizes foreign currency forward contracts to reduce the risks associated with the effects of certain foreign currency exposures. Under this program, the Company's strategy is to have increases or decreases in our foreign currency exposures offset by gains or losses on the foreign currency forward contracts to mitigate the risks and volatility associated with foreign currency transaction gains or losses. These foreign currency exposures typically arise from net liability or asset exposures in non-functional currencies on the balance sheets of our foreign subsidiaries. These foreign currency forward contracts generally settle within 30 days and are not used for trading purposes. These forward contracts are not designated as hedging instruments. Accordingly, we record the fair value of these contracts as of the end of the reporting period in the Consolidated Balance Sheets with changes in fair value recorded within the Consolidated Statements of Comprehensive Income. The balance sheet classification for the fair values of these forward contracts is to Other current assets for unrealized gains and to Other accrued liabilities for unrealized losses. The Consolidated Statements of Comprehensive Income classification for the fair values of these forward contracts is to Other (income) expense, net, for both realized and unrealized gains and losses. Interest Rate Swaps The Company enters into interest rate swap agreements to manage its exposure to interest rate changes and its overall cost of borrowing. The Company's interest rate swap agreements exchange variable rate interest payments for fixed rate payments over the life of the agreement without the exchange of the underlying notional amounts. The notional amount of the interest rate swap agreements is used to measure interest to be paid or received. The differential paid or received on the interest rate swap agreements is recognized as an adjustment to interest expense. The interest rate swaps were designated as cash flow hedges at inception and the facts and circumstances of the hedged relationships remain consistent with the initial quantitative effectiveness assessment in that the hedged instruments remain an effective accounting hedge as of November 30, 2024. Since a designated derivative meets hedge accounting criteria, the fair value of the hedge is recorded in the Consolidated Statements of Stockholders’ Equity as a component of Accumulated other comprehensive loss, net of tax. The ineffective portion of the change in fair value of the derivatives is immediately recognized in earnings. The interest rate swap agreements are assessed for hedge effectiveness on a quarterly basis. The impact of derivative instruments on our Condensed Consolidated Statements of Cash Flows is included in Net cash provided by operating activities. (In millions) Notional Amount Forward Start Date Amendment Effective Date Termination Date Effective Fixed Interest Rate September 2016 Interest Rate Swap $ 150.0 January 3, 2018 February 3, 2023 January 3, 2028 1.910 % June 2017 Interest Rate Swap $ 75.0 January 3, 2018 February 3, 2023 January 3, 2028 2.348 % January 2022 Interest Rate Swap $ 575.0 January 31, 2022 January 31, 2023 January 29, 2027 1.650 % March 2023 Interest Rate Swap $ 150.0 March 3, 2023 none January 3, 2029 3.950 % The swaps above effectively converted indebtedness up to the notional amounts from a SOFR-based floating interest rate plus 0.11448% plus applicable margin to an effective fixed interest rate plus 0.11448% plus applicable margin under the terms of our Credit Agreement, as amended. Effective fixed interest rates include the rates amended effective January 31, 2023, or February 3, 2023, for the first three swaps included in the chart above. The following table summarizes the effects of the interest rate swap agreements for the three and six months ended: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Gain (loss) recognized in Other comprehensive loss (income) (effective portion) $ 3.6 $ (7.9) $ (17.7) $ (0.1) Gain reclassified from Accumulated other comprehensive loss into earnings $ 6.8 $ 7.7 $ 14.5 $ 15.1 There were no gains or losses recognized in earnings for hedge ineffectiveness for the three and six month periods ended November 30, 2024, and December 2, 2023. The amount of gain expected to be reclassified from Accumulated other comprehensive income into earnings during the next twelve months is $19.9 million, net of tax is $14.9 million. Redeemable Noncontrolling Interests Changes in the Company's redeemable noncontrolling interest in HAY for the six months ended November 30, 2024, and December 2, 2023, are as follows: (In millions) November 30, 2024 December 2, 2023 Beginning Balance $ 73.9 $ 107.6 Net income attributable to redeemable noncontrolling interests 1.8 0.3 Cumulative translation adjustments attributable to redeemable noncontrolling interests (0.4) — Foreign currency translation adjustments (1.9) 1.7 Ending Balance $ 73.4 $ 109.6

Commitments and Contingencies

Commitments and Contingencies	6 Months Ended
	Nov. 30, 2024
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Product Warranties The Company provides coverage to the end-user for parts and labor on products sold under its warranty policy and for other product-related matters. The specific terms, conditions, and length of those warranties vary depending upon the product sold. The Company does not sell or otherwise issue warranties or warranty extensions as stand-alone products. Reserves have been established for various costs associated with the Company's warranty programs. General warranty reserves are based on historical claims experience and other currently available information and are periodically adjusted for business levels and other factors. The Company provides an assurance-type warranty that ensures that products will function as intended. As such, the Company's estimated warranty obligation is accounted for as a liability and is recorded within current and long-term liabilities within the Condensed Consolidated Balance Sheets. Changes in the warranty reserve for the stated periods were as follows: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Accrual Balance — beginning $ 69.7 $ 73.2 $ 70.4 $ 73.9 Accrual for warranty matters 6.9 4.9 11.8 10.1 Settlements and adjustments (6.6) (6.8) (12.2) (12.7) Accrual Balance — ending $ 70.0 $ 71.3 $ 70.0 $ 71.3 Guarantees The Company is periodically required to provide performance bonds to do business with certain customers. These arrangements are common in the industry and generally have terms ranging between one year and three years. The bonds are required to provide assurance to customers that the products and services they have purchased will be installed and/or provided properly and without damage to their facilities. The bonds are provided by various bonding agencies. However, the Company is ultimately liable for claims that may occur against them. As of November 30, 2024, the Company had a maximum financial exposure related to performance bonds totaling approximately $9.3 million. The Company has no history of claims, nor is it aware of circumstances that would require it to pay, under any of these arrangements. The Company also believes that the resolution of any claims that might arise in the future, either individually or in the aggregate, would not materially affect the Company's Consolidated Financial Statements. Accordingly, no liability has been recorded in respect to these bonds as of either November 30, 2024, or June 1, 2024. The Company has entered into standby letter of credit arrangements for purposes of protecting various insurance companies and lessors against default on insurance premium and lease payments. As of November 30, 2024, the Company had a maximum financial exposure from these standby letters of credit totaling approximately $12.6 million, all of which is considered usage against the Company's revolving line of credit. The Company has no history of claims, nor is it aware of circumstances that would require it to perform under any of these arrangements and believes that the resolution of any claims that might arise in the future, either individually or in the aggregate, would not materially affect the Company's Consolidated Financial Statements. Accordingly, no liability has been recorded with respect to these arrangements as of November 30, 2024, or June 1, 2024. Contingencies The Company is also involved in legal proceedings and litigation arising in the ordinary course of business. In the opinion of management, the outcome of such proceedings and litigation currently pending will not have a material adverse effect, if any, on the Company's Consolidated Financial Statements.

Short-Term Borrowings and Long-

Short-Term Borrowings and Long-Term Debt	6 Months Ended
	Nov. 30, 2024
Debt Disclosure [Abstract]
Short-Term Borrowings and Long-Term Debt	Short-Term Borrowings and Long-Term Debt Short-term borrowings and long-term debt as of November 30, 2024, and June 1, 2024, consisted of the following: (In millions) November 30, 2024 June 1, 2024 Syndicated revolving line of credit, due July 2026 $ 463.1 $ 390.0 Term Loan A, 6.4371%, due July 2026 330.0 345.0 Term Loan B, 6.6871%, due July 2028 606.3 609.4 Supplier financing program 2.2 2.0 Finance lease liability 1.2 1.4 Total debt $ 1,402.8 $ 1,347.8 Less: Unamortized discount and issuance costs (10.9) (12.6) Less: Current debt (48.7) (43.5) Long-term debt $ 1,343.2 $ 1,291.7 In connection with the acquisition of Knoll, in July 2021, the Company entered into a credit agreement that provided for a syndicated revolving line of credit and two term loans. The revolving line of credit provides the Company with up to $725 million in revolving variable rate interest borrowing capacity that matures in July 2026, replacing the previous $500 million syndicated revolving line of credit. The term loans consist of a five-year senior secured term loan "A" facility with an aggregate principal amount of $400 million and a seven-year senior secured term loan "B" facility with an aggregate principal amount of $625 million, the proceeds of which were used to finance a portion of the cash consideration for the acquisition of Knoll, and to pay fees, costs, and expenses related thereto. In January 2023, the Company entered into an Amendment to the credit agreement which transitioned the benchmark rate from LIBOR to the Secured Overnight Financing Rate ("SOFR") for U.S. dollar borrowings. SOFR is the recommended risk-free reference rate of the Federal Reserve Board and Alternative Reference Rates Committee, as defined within the credit agreement. The indebtedness incurred under the revolving line of credit and term loans is secured by substantially all of the Company’s tangible and intangible assets, including, without limitation, the Company’s intellectual property. The Company’s direct and indirect wholly-owned domestic subsidiaries have also guaranteed the obligations of the Company and the foreign borrowers under the revolving line of credit and term loans and pledged substantially all of their tangible and intangible assets as security for their obligations under such guarantee. During the six months ended November 30, 2024, the Company made total principal payments on term loans "A" and "B" in the amounts of $15.0 million and $3.1 million, respectively. During the six months ended December 2, 2023, the Company made total principal payments on term loans "A" and "B" in the amounts of $10.0 million and $3.1 million, respectively. Available borrowings under the syndicated revolving line of credit were as follows for the periods indicated: (In millions) November 30, 2024 June 1, 2024 Syndicated revolving line of credit borrowing capacity $ 725.0 $ 725.0 Less: Borrowings under the syndicated revolving line of credit 463.1 390.0 Less: Outstanding letters of credit 12.6 12.7 Available borrowings under the syndicated revolving line of credit $ 249.3 $ 322.3 Supplier Financing Program The Company has an agreement with a third-party financial institution that allows certain participating suppliers the ability to finance payment obligations of the Company. Under this program, participating suppliers may finance payment obligations of the Company, prior to their scheduled due dates, at a discounted price to the third-party financial institution. The Company has lengthened the payment terms for certain suppliers that have chosen to participate in the program. As a result, certain amounts due to suppliers have payment terms that are longer than standard industry practice and as such, these amounts have been excluded from “Accounts payable” in the Condensed Consolidated Balance Sheets as the amounts have been accounted for by the Company as current debt, within “Short-term borrowings and current portion of long-term debt.” As of November 30, 2024, and June 1, 2024, the liability related to the supplier financing program was $2.2 million and $2.0 million, respectively.

Accumulated Other Comprehensive

Accumulated Other Comprehensive Loss	6 Months Ended
	Nov. 30, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss The following table provides an analysis of the changes in accumulated other comprehensive loss for the six months ended November 30, 2024, and December 2, 2023: (In millions) Cumulative Translation Adjustments Pension and Other Post-retirement Benefit Plans Interest Rate Swap Agreement Accumulated Other Comprehensive Loss Balance at June 1, 2024 $ (105.7) $ (33.3) $ 46.3 $ (92.7) Other comprehensive (loss) income, net of tax before reclassifications (20.8) — (32.2) (53.0) Reclassification from accumulated other comprehensive loss - Other, net — 3.8 14.5 18.3 Tax benefit — (0.9) — (0.9) Net reclassifications — 2.9 14.5 17.4 Net current period other comprehensive (loss) income (20.8) 2.9 (17.7) (35.6) Balance at November 30, 2024 $ (126.5) $ (30.4) $ 28.6 $ (128.3) Balance at June 3, 2023 $ (114.0) $ (23.8) $ 42.7 $ (95.1) Other comprehensive income (loss), net of tax before reclassifications 11.2 — (15.2) (4.0) Reclassification from accumulated other comprehensive loss - Other, net — (0.1) 15.1 15.0 Tax benefit — — — — Net reclassifications — (0.1) 15.1 15.0 Net current period other comprehensive income (loss) 11.2 (0.1) (0.1) 11.0 Balance at December 2, 2023 $ (102.8) $ (23.9) $ 42.6 $ (84.1)

Operating Segments

Operating Segments	6 Months Ended
	Nov. 30, 2024
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Operating Segments	Operating Segments The Company's reportable segments consist of three segments: Americas Contract, International Contract & Specialty, and Global Retail. The Americas Contract segment includes the operations associated with the design, manufacture and sale of furniture products directly or indirectly through an independent dealership network for office, healthcare, and educational environments throughout North and South America. The International Contract & Specialty segment includes the operations associated with the design, manufacture and sale of furniture products, indirectly or directly through an independent dealership network in Europe, the Middle East, Africa and Asia-Pacific as well as the global activities of the Specialty brands, which include Holly Hunt, Spinneybeck|FilzFelt, Maharam, Edelman, and Knoll Textiles. The Global Retail segment includes global operations associated with the sale of modern design furnishings and accessories to third-party retailers, as well as direct to consumer sales through eCommerce, and physical retail stores. The Company also reports a “Corporate” category consisting primarily of unallocated expenses related to general corporate functions, including, but not limited to, certain legal, executive, corporate finance, information technology, and administrative costs. Management regularly reviews corporate costs and believes disclosing such information provides more visibility and transparency regarding how the chief operating decision maker reviews results of the Company. The accounting policies of the operating segments are the same as those of the Company. The following is a summary of certain key financial measures for the respective periods indicated: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Net Sales: Americas Contract $ 504.2 $ 476.1 $ 958.8 $ 966.5 International Contract & Specialty 246.3 241.2 459.8 469.5 Global Retail 219.9 232.2 413.3 431.2 Total $ 970.4 $ 949.5 $ 1,831.9 $ 1,867.2 Operating Earnings (Loss): Americas Contract $ 47.5 $ 35.1 $ 64.6 $ 76.5 International Contract & Specialty 23.8 23.8 33.1 35.2 Global Retail 8.7 14.7 13.2 16.9 Total reportable segments $ 80.0 $ 73.6 $ 110.9 $ 128.6 Corporate (17.5) (13.2) (33.2) (27.9) Total $ 62.5 $ 60.4 $ 77.7 $ 100.7 Many of the Company's assets, including manufacturing, office and showroom facilities, support multiple segments. For that reason, it is impractical to disclose asset information on a segment basis.

Restructuring and Integration E

Restructuring and Integration Expense	6 Months Ended
	Nov. 30, 2024
Restructuring and Related Activities [Abstract]
Restructuring and Integration Expense	Restructuring and Integration Expense As part of restructuring and integration activities the Company has incurred expenses that qualify as exit and disposal costs under U.S. GAAP. These include severance and employee benefit costs as well as other direct separation benefit costs, right of use asset impairment charges, fixed asset impairment charges, and accelerated depreciation of fixed assets. Severance and employee benefit costs primarily relate to cash severance, as well as non-cash severance, including accelerated equity award compensation expense. The Company also incurred expenses that are an integral component of, and directly attributable to, our restructuring and integration activities, which do not qualify as exit and disposal costs under U.S. GAAP. These include integration implementation costs that relate primarily to professional fees and non-cash losses incurred on debt extinguishment. The expense associated with integration initiatives are included in Selling, general and administrative and the expenses associated with restructuring activities are included in Restructuring expense in the Condensed Consolidated Statements of Comprehensive Income. Knoll Integration: Following the Knoll acquisition, the Company announced a multi-year program (the "Knoll Integration") designed to reduce costs and integrate and optimize operations of the combined organization. To date, the Company has recorded a total of $144.4 million in pre-tax integration expense related to this plan. No future costs related to this plan are expected. The integration expenses incurred by the Company included expenses within the following categories: • Severance and employee benefit costs associated with plans to integrate our operating structure, resulting in workforce reductions. These costs primarily include: severance and employee benefits (cash severance, non-cash severance, including accelerated stock-compensation award expense and other termination benefits). • Exit and disposal activities include those incurred as a direct result of integration activities, primarily including the reorganization and consolidation of facilities as well as asset impairment charges. • Other integration costs include professional fees and other incremental third-party expenses, including a loss on extinguishment of debt associated with financing of the Knoll acquisition. For the three months ended November 30, 2024, there were no costs incurred related to the Knoll Integration. For the three months ended December 2, 2023, we incurred $6.9 million of costs related to the Knoll Integration which was comprised of $5.3 million of exit and disposal costs related to the consolidation of facilities and $1.6 million of other integration costs. For the six months ended November 30, 2024, we incurred $28.3 million of costs related to the Knoll Integration which was comprised of $25.8 million of exit and disposal costs related to the consolidation of facilities and $2.5 million of other integration costs. For the six months ended December 2, 2023, we incurred $10.8 million of costs related to the Knoll Integration which was comprised of $8.7 million of exit and disposal costs related to the consolidation of facilities and $2.1 million of other integration costs. The following table provides an analysis of the changes in liability balance for Knoll Integration costs that qualify as exit and disposal costs under U.S. GAAP (i.e., severance and employee benefit costs and exit and disposal activities) for the six months ended November 30, 2024: (In millions) Severance and Employee Benefit Exit and Disposal Activities Total June 1, 2024 $ — $ 0.7 $ 0.7 Integration Costs — 25.8 25.8 Amounts Paid — (6.8) (6.8) Non-cash costs — (19.0) (19.0) November 30, 2024 $ — $ 0.7 $ 0.7 The Company expects that the remaining liability for the Knoll Integration as of November 30, 2024, will be paid in the balance of fiscal year 2025. The following is a summary of integration expenses by segment for the periods indicated: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Americas Contract $ — $ 6.4 $ 22.5 $ 9.5 International Contract & Specialty — 0.5 5.5 1.2 Global Retail — — 0.3 — Corporate — — — 0.1 Total $ — $ 6.9 $ 28.3 $ 10.8 In the second quarter of fiscal 2024 a manufacturing facility located in Wisconsin met the criteria to be classified as an asset held for sale. The decision to sell this facility was made as a result of facility integration activities performed in connection with the integration of Knoll. As of November 30, 2024, and June 1, 2024, the carrying amount of these assets held for sale was $3.2 million and $3.5 million, respectively, and is classified as current assets within "Assets held for sale" in the Condensed Consolidated Balance Sheets. Restructuring Activities During fiscal year 2024, the Company announced an action related to the 2024 restructuring plan ("2024 restructuring plan") to reduce expenses. This restructuring activity included involuntary reductions in workforces as well as expenses related to a facilities consolidation plan, comprised primarily of non-cash right of use asset impairment charges and accelerated depreciation of fixed assets. For the year ended June 1, 2024, the Company incurred $30.8 million of restructuring charges related to the 2024 restructuring plan. The restructuring plan was complete in fiscal 2024 and no future costs related to this plan are expected. The following table provides an analysis of the changes in the restructuring cost reserve that qualify as exit and disposal costs under U.S. GAAP (i.e., severance and employee benefit costs and exit and disposal activities) for the 2024 restructuring plan for the six months ended November 30, 2024: (In millions) Severance and Employee-Related Exit and Disposal Activities Total June 1, 2024 $ 10.0 $ — $ 10.0 Restructuring Costs — — — Amounts Paid (6.1) — (6.1) November 30, 2024 $ 3.9 $ — $ 3.9 The Company expects that remaining liability for the 2024 restructuring plan as of November 30, 2024, will be paid in fiscal year 2025. The following is a summary of restructuring costs by segment for the periods indicated: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Americas Contract $ — $ — $ — $ 4.3 International Contract & Specialty — 0.8 — 1.5 Global Retail — 1.0 — 1.2 Total $ — $ 1.8 $ — $ 7.0

Variable Interest Entities

Variable Interest Entities	6 Months Ended
	Nov. 30, 2024
Variable Interest Entities [Abstract]
Variable Interest Entities	Variable Interest Entities The Company entered into long-term notes receivable with certain independently owned dealers that are deemed to be variable interests in variable interest entities. The carrying value of these long-term notes receivable was $17.3 million and $17.9 million as of November 30, 2024, and June 1, 2024, respectively, and represents the Company’s maximum exposure to loss. The Company is not deemed to be the primary beneficiary for any of these variable interest entities as each independently owned dealer controls the activities that most significantly impact the entity’s economic performance, including sales, marketing, and operations.

Pay vs Performance Disclosure

Pay vs Performance Disclosure - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Nov. 30, 2024	Aug. 31, 2024	Dec. 02, 2023	Sep. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Pay vs Performance Disclosure
Net earnings (loss)	$ 34.1	$ (1.2)	$ 33.5	$ 16.7	$ 32.9	$ 50.2

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended	6 Months Ended
	Nov. 30, 2024 shares	Nov. 30, 2024 shares
Trading Arrangements, by Individual
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false
Chris Baldwin [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement		On September 23, 2024, Chris Baldwin, Group President, adopted a trading arrangement intended to satisfy the affirmative defense of SEC Rule 10b5-1(c). The trading arrangement provides for the sale of up to 101,462 of shares of the Company's common stock and has a duration that expires on September 22, 2025.
Name	Chris Baldwin
Title	Group President
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	September 23, 2024
Expiration Date	September 22, 2025
Arrangement Duration	364 days
Aggregate Available	101,462	101,462

Recently Issued Accounting St_2

Recently Issued Accounting Standards (Policies)	6 Months Ended
	Nov. 30, 2024
Accounting Standards Update and Change in Accounting Principle [Abstract]
Basis of Presentation	Basis of Presentation The Condensed Consolidated Financial Statements have been prepared by MillerKnoll, Inc. in accordance with accounting principles generally accepted in the United States of America ("U.S. 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 footnotes required by U.S. GAAP for complete financial statements. Management believes the disclosures made in this document are adequate with respect to interim reporting requirements. Unless otherwise noted or indicated by the context, all references to "MillerKnoll," "we," "our," "Company" and similar references are to MillerKnoll, Inc., its predecessors, and controlled subsidiaries.
Intercompany Transactions	All intercompany transactions have been eliminated in the Condensed Consolidated Financial Statements. The financial statements of equity method investments are not consolidated.
Fiscal Period	The Company's fiscal year is the 52 or 53 week period ending on the Saturday closest to May 31. The fiscal year ending May 31, 2025 ("fiscal 2025") and the fiscal year ended June 1, 2024 ("fiscal 2024") both contain 52 weeks.
Cash and Cash Equivalents	Cash and Cash Equivalents
Recently Issued Accounting Standards	The Company evaluates all Accounting Standards Updates ("ASUs") issued by the Financial Accounting Standards Board ("FASB") for consideration of their applicability to our consolidated financial statements. Recently Issued Accounting Standards Not Yet Adopted ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. In November 2023, the FASB issued this ASU to update reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses and information used to assess segment performance. The ASU becomes effective for the Company beginning with its annual period ending May 31, 2025, and interim periods beginning with the first quarter of fiscal 2026. The Company expects the adoption of this guidance will modify our disclosures, but we do not expect it to have a material effect on our financial position, results of operations, or cash flows. ASU 2023-09, Income Taxes (Topic 740): Improvements to Tax Disclosures. In December 2023, the FASB issued this ASU which expands disclosures in an entity’s income tax rate reconciliation table and regarding cash taxes paid both in the U.S. and foreign jurisdictions. The update will be effective for annual periods beginning after December 15, 2024. The Company expects the adoption of this guidance will modify our disclosures, but we do not expect it to have a material effect on our financial position, results of operations, or cash flows. ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. In November 2024, the FASB issued this ASU which requires disclosure on an annual and interim basis, in the notes to the financial statements, of disaggregated information about specific categories underlying certain income statement expense line items. The guidance is effective for annual periods beginning after December 15, 2026, and interim periods beginning after December 15, 2027, applied retrospectively. The Company is currently reviewing the provisions of the amendments in this update and evaluating their impact on the Company’s consolidated financial statements. We have assessed all other ASUs issued but not yet adopted and concluded that those not disclosed are not relevant to the Company or are not expected to have a material impact.
Inventories, net	Inventories are valued primarily using the first-in first-out method.
Share-Based Compensation	Certain Company equity-based compensation awards contain provisions that allow for continued vesting into retirement. Stock-based awards are considered fully vested for expense attribution purposes when the employee's retention of the award is no longer contingent on providing subsequent service.
Derivative Instruments and Hedging Activities	Derivative Instruments and Hedging Activities Foreign Currency Forward Contracts The Company transacts business in various foreign currencies and has established a program that primarily utilizes foreign currency forward contracts to reduce the risks associated with the effects of certain foreign currency exposures. Under this program, the Company's strategy is to have increases or decreases in our foreign currency exposures offset by gains or losses on the foreign currency forward contracts to mitigate the risks and volatility associated with foreign currency transaction gains or losses. These foreign currency exposures typically arise from net liability or asset exposures in non-functional currencies on the balance sheets of our foreign subsidiaries. These foreign currency forward contracts generally settle within 30 days and are not used for trading purposes. These forward contracts are not designated as hedging instruments. Accordingly, we record the fair value of these contracts as of the end of the reporting period in the Consolidated Balance Sheets with changes in fair value recorded within the Consolidated Statements of Comprehensive Income. The balance sheet classification for the fair values of these forward contracts is to Other current assets for unrealized gains and to Other accrued liabilities for unrealized losses. The Consolidated Statements of Comprehensive Income classification for the fair values of these forward contracts is to Other (income) expense, net, for both realized and unrealized gains and losses. Interest Rate Swaps The Company enters into interest rate swap agreements to manage its exposure to interest rate changes and its overall cost of borrowing. The Company's interest rate swap agreements exchange variable rate interest payments for fixed rate payments over the life of the agreement without the exchange of the underlying notional amounts. The notional amount of the interest rate swap agreements is used to measure interest to be paid or received. The differential paid or received on the interest rate swap agreements is recognized as an adjustment to interest expense. The interest rate swaps were designated as cash flow hedges at inception and the facts and circumstances of the hedged relationships remain consistent with the initial quantitative effectiveness assessment in that the hedged instruments remain an effective accounting hedge as of November 30, 2024. Since a designated derivative meets hedge accounting criteria, the fair value of the hedge is recorded in the Consolidated Statements of Stockholders’ Equity as a component of Accumulated other comprehensive loss, net of tax. The ineffective portion of the change in fair value of the derivatives is immediately recognized in earnings. The interest rate swap agreements are assessed for hedge effectiveness on a quarterly basis. The impact of derivative instruments on our Condensed Consolidated Statements of Cash Flows is included in Net cash provided by operating activities.

Description of Business (Tables

Description of Business (Tables)	6 Months Ended
	Nov. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Schedule of Cash and Cash Equivalents	The Company’s net cash pool position consisted of the following: (In millions) November 30, 2024 June 1, 2024 Gross cash position $ 70.1 $ 26.6 Less: cash borrowings (69.3) (23.0) Net cash position $ 0.8 $ 3.6

Revenue from Contracts with C_2

Revenue from Contracts with Customers (Tables)	6 Months Ended
	Nov. 30, 2024
Revenue from Contract with Customer [Abstract]
Schedule of Disaggregated Revenue	Revenue disaggregated by contract type is provided in the table below: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Net Sales: Single performance obligation Product revenue $ 904.1 $ 871.3 $ 1,693.3 $ 1,716.8 Multiple performance obligations Product revenue 63.6 74.9 132.5 143.6 Service revenue 1.3 1.0 2.2 2.0 Other 1.4 2.3 3.9 4.8 Total $ 970.4 $ 949.5 $ 1,831.9 $ 1,867.2 Revenue disaggregated by product type and reportable segment is provided in the table below: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Americas Contract: Workplace $ 330.8 $ 311.3 $ 615.3 $ 635.5 Performance Seating 106.1 103.8 212.3 207.1 Lifestyle 63.6 56.0 121.0 116.6 Other 3.7 5.0 10.2 7.3 Total Americas Contract $ 504.2 $ 476.1 $ 958.8 $ 966.5 International Contract & Specialty: Workplace $ 44.2 $ 36.5 $ 73.7 $ 75.2 Performance Seating 70.8 64.3 126.0 116.9 Lifestyle 85.3 88.9 167.9 177.3 Other 46.0 51.5 92.2 100.1 Total International Contract & Specialty $ 246.3 $ 241.2 $ 459.8 $ 469.5 Global Retail: Workplace $ 2.1 $ 3.3 $ 4.7 $ 7.5 Performance Seating 53.2 55.6 97.0 97.7 Lifestyle 164.3 172.9 311.0 325.4 Other 0.3 0.4 0.6 0.6 Total Global Retail $ 219.9 $ 232.2 $ 413.3 $ 431.2 Total $ 970.4 $ 949.5 $ 1,831.9 $ 1,867.2

Inventories, net (Tables)

Inventories, net (Tables)	6 Months Ended
	Nov. 30, 2024
Inventory Disclosure [Abstract]
Schedule of Inventory, Net	(In millions) November 30, 2024 June 1, 2024 Finished goods and work in process $ 319.6 $ 314.3 Raw materials 111.0 114.3 Total $ 430.6 $ 428.6

Goodwill and Indefinite-Lived_2

Goodwill and Indefinite-Lived Intangibles (Tables)	6 Months Ended
	Nov. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Goodwill and Indefinite-Lived Intangibles	Changes in the carrying amount of Goodwill, by reportable segment, were as follows: (In millions) Americas Contract (1) International Contract & Specialty Global Retail (2) Total Balance at June 1, 2024 $ 530.1 $ 304.4 $ 391.8 $ 1,226.3 Foreign currency translation adjustments (2.4) (2.6) (3.1) (8.1) Balance at November 30, 2024 $ 527.7 $ 301.8 $ 388.7 $ 1,218.2 (1) Americas Contract segment had accumulated goodwill impairments of $36.7 million as of November 30, 2024, and June 1, 2024. (2) Global Retail segment had accumulated goodwill impairments of $88.8 million as of November 30, 2024, and June 1, 2024. Other indefinite-lived assets included in the Consolidated Balance Sheets consist of the following: (In millions) Indefinite-lived Intangible Assets June 1, 2024 $ 465.5 Foreign currency translation adjustments (3.0) November 30, 2024 $ 462.5

Employee Benefit Plans (Tables)

Employee Benefit Plans (Tables)	6 Months Ended
	Nov. 30, 2024
Retirement Benefits [Abstract]
Schedule of Defined Benefit Plans Disclosures	The following table summarizes the components of net periodic benefit cost for the Company's defined benefit pension plans: Pension Benefits Three Months Ended November 30, 2024 Three Months Ended December 2, 2023 (In millions) Domestic International Domestic International Service cost $ 0.5 $ — $ — $ — Interest cost 1.1 1.0 1.5 1.0 Expected return on plan assets (1) (0.5) (1.4) (2.3) (1.2) Expected administrative expenses — — 0.2 — Net amortization loss — 0.2 — — Pension plan termination gain (1.5) — — — Net periodic benefit (income) $ (0.4) $ (0.2) $ (0.6) $ (0.2) Six Months Ended November 30, 2024 Six Months Ended December 2, 2023 (In millions) Domestic International Domestic International Service cost $ 0.9 $ — $ — $ — Interest cost 2.7 2.1 3.0 2.0 Expected return on plan assets (1) (2.0) (2.8) (4.6) (2.5) Expected administrative expenses — — 0.4 — Net amortization loss — 0.3 — — Pension plan termination gain (1.5) — — — Net periodic benefit cost (income) $ 0.1 $ (0.4) $ (1.2) $ (0.5) (1) The weighted-average expected long-term rate of return on plan assets is 6.0%.

Earnings Per Share (Tables)

Earnings Per Share (Tables)	6 Months Ended
	Nov. 30, 2024
Earnings Per Share [Abstract]
Schedule of Calculation of Numerator and Denominator in Earnings Per Share	The table below presents a reconciliation of the numerator and denominator used in the calculation of basic and diluted earnings per share attributable to MillerKnoll, Inc.: Three Months Ended Six Months Ended November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Numerator : Net earnings attributable to MillerKnoll, Inc. - in millions $ 34.1 $ 33.5 $ 32.9 $ 50.2 Denominator : Weighted-average common shares outstanding - basic 69,298,740 73,655,409 69,748,265 74,573,958 Potentially dilutive shares resulting from stock plans 734,219 584,884 1,020,282 503,754 Weighted-average common shares outstanding - diluted 70,032,959 74,240,293 70,768,547 75,077,712 Earnings per share attributable to MillerKnoll, Inc. - basic $ 0.49 $ 0.45 $ 0.47 $ 0.67 Earnings per share attributable to MillerKnoll, Inc. - diluted $ 0.49 $ 0.45 $ 0.47 $ 0.67 Antidilutive equity awards not included in weighted-average common shares - diluted 1,376,198 4,277,783 1,259,270 4,079,832

Stock-Based Compensation (Table

Stock-Based Compensation (Tables)	6 Months Ended
	Nov. 30, 2024
Stock-Based Compensation [Abstract]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award	The following table summarizes the stock-based compensation expense and related income tax effect for the three and six months ended: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Stock-based compensation expense $ 8.8 $ 5.3 $ 17.9 $ 11.7 Related income tax effect $ 2.2 $ 1.2 $ 4.4 $ 2.8

Income Taxes (Tables)

Income Taxes (Tables)	6 Months Ended
	Nov. 30, 2024
Income Tax Disclosure [Abstract]
Schedule of Liability for Potential Interest and Penalties on Uncertain Tax Positions	The Company's recorded liability for potential interest and penalties related to uncertain tax benefits was: (In millions) November 30, 2024 June 1, 2024 Liability for interest and penalties $ 0.9 $ 0.8 Liability for uncertain tax positions, current $ 1.6 $ 1.5

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	6 Months Ended
	Nov. 30, 2024
Fair Value Disclosures [Abstract]
Schedule of Long-term Debt Instruments	The carrying value and fair value of the Company's long-term debt, including current maturities, is as follows for the periods indicated: (In millions) November 30, 2024 June 1, 2024 Carrying value $ 1,402.8 $ 1,347.8 Fair value $ 1,484.4 $ 1,411.6
Schedule of Assets and Liabilities Measured at Fair Value and Recorded in Net Earnings	The following table sets forth financial assets and liabilities measured at fair value through net income and the respective pricing levels to which the fair value measurements are classified within the fair value hierarchy as of November 30, 2024, and June 1, 2024. (In millions) November 30, 2024 June 1, 2024 Financial Assets NAV Quoted prices with other observable inputs (Level 2) NAV Quoted prices with other observable inputs (Level 2) Cash equivalents: Money market funds $ 5.0 $ — $ 17.5 $ — Foreign currency forward contracts — 0.4 — 1.1 Deferred compensation plan — 22.4 — 19.1 Total $ 5.0 $ 22.8 $ 17.5 $ 20.2 Financial Liabilities Foreign currency forward contracts — 1.2 — 0.4 Total $ — $ 1.2 $ — $ 0.4 The following table sets forth financial assets and liabilities measured at fair value through other comprehensive income and the respective pricing levels to which the fair value measurements are classified within the fair value hierarchy as of November 30, 2024, and June 1, 2024. (In millions) November 30, 2024 June 1, 2024 Financial Assets Balance Sheet Location Quoted Prices with Other Observable Inputs (Level 2) Quoted Prices with Other Observable Inputs (Level 2) Interest rate swap agreement Other noncurrent assets $ 39.3 $ 61.7 Total $ 39.3 $ 61.7 Financial Liabilities Interest rate swap agreement Other liabilities $ 1.1 $ — Total $ 1.1 $ —
Schedule of Interest Rate Derivatives	(In millions) Notional Amount Forward Start Date Amendment Effective Date Termination Date Effective Fixed Interest Rate September 2016 Interest Rate Swap $ 150.0 January 3, 2018 February 3, 2023 January 3, 2028 1.910 % June 2017 Interest Rate Swap $ 75.0 January 3, 2018 February 3, 2023 January 3, 2028 2.348 % January 2022 Interest Rate Swap $ 575.0 January 31, 2022 January 31, 2023 January 29, 2027 1.650 % March 2023 Interest Rate Swap $ 150.0 March 3, 2023 none January 3, 2029 3.950 % The following table summarizes the effects of the interest rate swap agreements for the three and six months ended: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Gain (loss) recognized in Other comprehensive loss (income) (effective portion) $ 3.6 $ (7.9) $ (17.7) $ (0.1) Gain reclassified from Accumulated other comprehensive loss into earnings $ 6.8 $ 7.7 $ 14.5 $ 15.1
Schedule of Redeemable Noncontrolling Interest	Changes in the Company's redeemable noncontrolling interest in HAY for the six months ended November 30, 2024, and December 2, 2023, are as follows: (In millions) November 30, 2024 December 2, 2023 Beginning Balance $ 73.9 $ 107.6 Net income attributable to redeemable noncontrolling interests 1.8 0.3 Cumulative translation adjustments attributable to redeemable noncontrolling interests (0.4) — Foreign currency translation adjustments (1.9) 1.7 Ending Balance $ 73.4 $ 109.6

Commitments and Contingencies (

Commitments and Contingencies (Tables)	6 Months Ended
	Nov. 30, 2024
Commitments and Contingencies Disclosure [Abstract]
Schedule of Product Warranty Liability	Changes in the warranty reserve for the stated periods were as follows: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Accrual Balance — beginning $ 69.7 $ 73.2 $ 70.4 $ 73.9 Accrual for warranty matters 6.9 4.9 11.8 10.1 Settlements and adjustments (6.6) (6.8) (12.2) (12.7) Accrual Balance — ending $ 70.0 $ 71.3 $ 70.0 $ 71.3

Short-Term Borrowings and Lon_2

Short-Term Borrowings and Long-Term Debt (Tables)	6 Months Ended
	Nov. 30, 2024
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments	Short-term borrowings and long-term debt as of November 30, 2024, and June 1, 2024, consisted of the following: (In millions) November 30, 2024 June 1, 2024 Syndicated revolving line of credit, due July 2026 $ 463.1 $ 390.0 Term Loan A, 6.4371%, due July 2026 330.0 345.0 Term Loan B, 6.6871%, due July 2028 606.3 609.4 Supplier financing program 2.2 2.0 Finance lease liability 1.2 1.4 Total debt $ 1,402.8 $ 1,347.8 Less: Unamortized discount and issuance costs (10.9) (12.6) Less: Current debt (48.7) (43.5) Long-term debt $ 1,343.2 $ 1,291.7
Schedule of Line of Credit Facilities	Available borrowings under the syndicated revolving line of credit were as follows for the periods indicated: (In millions) November 30, 2024 June 1, 2024 Syndicated revolving line of credit borrowing capacity $ 725.0 $ 725.0 Less: Borrowings under the syndicated revolving line of credit 463.1 390.0 Less: Outstanding letters of credit 12.6 12.7 Available borrowings under the syndicated revolving line of credit $ 249.3 $ 322.3

Accumulated Other Comprehensi_2

Accumulated Other Comprehensive Loss (Tables)	6 Months Ended
	Nov. 30, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Schedule of Accumulated Other Comprehensive Loss	The following table provides an analysis of the changes in accumulated other comprehensive loss for the six months ended November 30, 2024, and December 2, 2023: (In millions) Cumulative Translation Adjustments Pension and Other Post-retirement Benefit Plans Interest Rate Swap Agreement Accumulated Other Comprehensive Loss Balance at June 1, 2024 $ (105.7) $ (33.3) $ 46.3 $ (92.7) Other comprehensive (loss) income, net of tax before reclassifications (20.8) — (32.2) (53.0) Reclassification from accumulated other comprehensive loss - Other, net — 3.8 14.5 18.3 Tax benefit — (0.9) — (0.9) Net reclassifications — 2.9 14.5 17.4 Net current period other comprehensive (loss) income (20.8) 2.9 (17.7) (35.6) Balance at November 30, 2024 $ (126.5) $ (30.4) $ 28.6 $ (128.3) Balance at June 3, 2023 $ (114.0) $ (23.8) $ 42.7 $ (95.1) Other comprehensive income (loss), net of tax before reclassifications 11.2 — (15.2) (4.0) Reclassification from accumulated other comprehensive loss - Other, net — (0.1) 15.1 15.0 Tax benefit — — — — Net reclassifications — (0.1) 15.1 15.0 Net current period other comprehensive income (loss) 11.2 (0.1) (0.1) 11.0 Balance at December 2, 2023 $ (102.8) $ (23.9) $ 42.6 $ (84.1)

Operating Segments (Tables)

Operating Segments (Tables)	6 Months Ended
	Nov. 30, 2024
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Schedule of Segment Reporting Information, by Segment	The following is a summary of certain key financial measures for the respective periods indicated: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Net Sales: Americas Contract $ 504.2 $ 476.1 $ 958.8 $ 966.5 International Contract & Specialty 246.3 241.2 459.8 469.5 Global Retail 219.9 232.2 413.3 431.2 Total $ 970.4 $ 949.5 $ 1,831.9 $ 1,867.2 Operating Earnings (Loss): Americas Contract $ 47.5 $ 35.1 $ 64.6 $ 76.5 International Contract & Specialty 23.8 23.8 33.1 35.2 Global Retail 8.7 14.7 13.2 16.9 Total reportable segments $ 80.0 $ 73.6 $ 110.9 $ 128.6 Corporate (17.5) (13.2) (33.2) (27.9) Total $ 62.5 $ 60.4 $ 77.7 $ 100.7

Restructuring and Integration_2

Restructuring and Integration Expense (Tables)	6 Months Ended
	Nov. 30, 2024
Restructuring and Related Activities [Abstract]
Schedule of Restructuring Reserve by Type of Cost	The following table provides an analysis of the changes in liability balance for Knoll Integration costs that qualify as exit and disposal costs under U.S. GAAP (i.e., severance and employee benefit costs and exit and disposal activities) for the six months ended November 30, 2024: (In millions) Severance and Employee Benefit Exit and Disposal Activities Total June 1, 2024 $ — $ 0.7 $ 0.7 Integration Costs — 25.8 25.8 Amounts Paid — (6.8) (6.8) Non-cash costs — (19.0) (19.0) November 30, 2024 $ — $ 0.7 $ 0.7 The following table provides an analysis of the changes in the restructuring cost reserve that qualify as exit and disposal costs under U.S. GAAP (i.e., severance and employee benefit costs and exit and disposal activities) for the 2024 restructuring plan for the six months ended November 30, 2024: (In millions) Severance and Employee-Related Exit and Disposal Activities Total June 1, 2024 $ 10.0 $ — $ 10.0 Restructuring Costs — — — Amounts Paid (6.1) — (6.1) November 30, 2024 $ 3.9 $ — $ 3.9
Schedule of Restructuring and Related Costs	The following is a summary of integration expenses by segment for the periods indicated: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Americas Contract $ — $ 6.4 $ 22.5 $ 9.5 International Contract & Specialty — 0.5 5.5 1.2 Global Retail — — 0.3 — Corporate — — — 0.1 Total $ — $ 6.9 $ 28.3 $ 10.8 The following is a summary of restructuring costs by segment for the periods indicated: Three Months Ended Six Months Ended (In millions) November 30, 2024 December 2, 2023 November 30, 2024 December 2, 2023 Americas Contract $ — $ — $ — $ 4.3 International Contract & Specialty — 0.8 — 1.5 Global Retail — 1.0 — 1.2 Total $ — $ 1.8 $ — $ 7.0

Description of Business - Sched

Description of Business - Schedule of Cash and Cash Equivalents (Details) - USD ($) $ in Millions	Nov. 30, 2024	Jun. 01, 2024
Accounting Policies [Abstract]
Gross cash position	$ 70.1	$ 26.6
Less: cash borrowings	(69.3)	(23)
Net cash position	$ 0.8	$ 3.6

Revenue from Contracts with C_3

Revenue from Contracts with Customers - Schedule of Revenue Disaggregated By Contract Type (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 970.4	$ 949.5	$ 1,831.9	$ 1,867.2
Single performance obligation | Product revenue
Disaggregation of Revenue [Line Items]
Net sales	904.1	871.3	1,693.3	1,716.8
Multiple performance obligations | Product revenue
Disaggregation of Revenue [Line Items]
Net sales	63.6	74.9	132.5	143.6
Multiple performance obligations | Service revenue
Disaggregation of Revenue [Line Items]
Net sales	1.3	1	2.2	2
Other
Disaggregation of Revenue [Line Items]
Net sales	$ 1.4	$ 2.3	$ 3.9	$ 4.8

Revenue from Contracts with C_4

Revenue from Contracts with Customers - Schedule of Revenue Disaggregated By Product Type and Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 970.4	$ 949.5	$ 1,831.9	$ 1,867.2
Americas Contract | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	504.2	476.1	958.8	966.5
Americas Contract | Workplace | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	330.8	311.3	615.3	635.5
Americas Contract | Performance Seating | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	106.1	103.8	212.3	207.1
Americas Contract | Lifestyle | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	63.6	56	121	116.6
Americas Contract | Other | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	3.7	5	10.2	7.3
International Contract & Specialty | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	246.3	241.2	459.8	469.5
International Contract & Specialty | Workplace | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	44.2	36.5	73.7	75.2
International Contract & Specialty | Performance Seating | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	70.8	64.3	126	116.9
International Contract & Specialty | Lifestyle | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	85.3	88.9	167.9	177.3
International Contract & Specialty | Other | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	46	51.5	92.2	100.1
Global Retail | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	219.9	232.2	413.3	431.2
Global Retail | Workplace | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	2.1	3.3	4.7	7.5
Global Retail | Performance Seating | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	53.2	55.6	97	97.7
Global Retail | Lifestyle | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	164.3	172.9	311	325.4
Global Retail | Other | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	$ 0.3	$ 0.4	$ 0.6	$ 0.6

Revenue from Contracts with C_5

Revenue from Contracts with Customers - Contract Assets and Contract Liabilities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Revenue from Contract with Customer [Abstract]
Contract with customer, liability, net sales	$ 8.8	$ 24.4	$ 81.6	$ 71.9

Inventories, net (Details)

Inventories, net (Details) - USD ($) $ in Millions	Nov. 30, 2024	Jun. 01, 2024
Inventory Disclosure [Abstract]
Finished goods and work in process	$ 319.6	$ 314.3
Raw materials	111	114.3
Total	$ 430.6	$ 428.6

Goodwill and Indefinite-Lived_3

Goodwill and Indefinite-Lived Intangibles - Schedule of Goodwill and Indefinite-lived Intangibles (Details) - USD ($) $ in Millions	6 Months Ended
	Nov. 30, 2024	Jun. 01, 2024
Goodwill [Roll Forward]
Goodwill, beginning	$ 1,226.3
Foreign currency translation adjustments	(8.1)
Goodwill, ending	1,218.2
Indefinite-Lived Intangible Assets [Roll Forward]
Indefinite-lived intangible assets, beginning balance	465.5
Foreign currency translation adjustments	(3)
Indefinite-lived intangible assets, ending balance	462.5
Americas Contract
Goodwill [Roll Forward]
Goodwill, beginning	530.1
Foreign currency translation adjustments	(2.4)
Goodwill, ending	527.7
Accumulated impairment losses	36.7	$ 36.7
International Contract & Specialty
Goodwill [Roll Forward]
Goodwill, beginning	304.4
Foreign currency translation adjustments	(2.6)
Goodwill, ending	301.8
Global Retail
Goodwill [Roll Forward]
Goodwill, beginning	391.8
Foreign currency translation adjustments	(3.1)
Goodwill, ending	388.7
Accumulated impairment losses	$ 88.8	$ 88.8

Employee Benefit Plans - Additi

Employee Benefit Plans - Additional Information (Details) - Domestic $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024 USD ($)	Dec. 02, 2023 USD ($)	Nov. 30, 2024 USD ($)	Dec. 02, 2023 USD ($)	Nov. 29, 2024 defined_benefit_plan
Defined Benefit Plan Disclosure
Number of pension plans | defined_benefit_plan					1
Defined benefit plan, benefit obligation, payment for settlement	$ 39.9
Defined benefit plan obligation	84.7		$ 84.7
Pension plan termination gain	1.5	$ 0	1.5	$ 0
Asset surplus	$ 0.6		$ 0.6

Employee Benefit Plans - Schedu

Employee Benefit Plans - Schedule of Defined Benefit Plans Disclosures (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Defined Benefit Plan Disclosure
Weighted average expected long-term rate of return on plan assets (percent)	6%	6%	6%	6%
Domestic
Defined Benefit Plan Disclosure
Service cost	$ 0.5	$ 0	$ 0.9	$ 0
Interest cost	1.1	1.5	2.7	3
Expected return on plan assets	(0.5)	(2.3)	(2)	(4.6)
Expected administrative expenses	0	0.2	0	0.4
Net amortization loss	0	0	0	0
Pension plan termination gain	(1.5)	0	(1.5)	0
Net periodic benefit (income)	(0.4)	(0.6)	0.1	(1.2)
International
Defined Benefit Plan Disclosure
Service cost	0	0	0	0
Interest cost	1	1	2.1	2
Expected return on plan assets	(1.4)	(1.2)	(2.8)	(2.5)
Expected administrative expenses	0	0	0	0
Net amortization loss	0.2	0	0.3	0
Pension plan termination gain	0	0	0	0
Net periodic benefit (income)	$ (0.2)	$ (0.2)	$ (0.4)	$ (0.5)

Earnings Per Share (Details)

Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended				6 Months Ended
	Nov. 30, 2024	Aug. 31, 2024	Dec. 02, 2023	Sep. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Numerator:
Net earnings attributable to MillerKnoll, Inc. - in millions	$ 34.1	$ (1.2)	$ 33.5	$ 16.7	$ 32.9	$ 50.2
Denominator:
Weighted-average common shares outstanding - basic (in shares)	69,298,740		73,655,409		69,748,265	74,573,958
Potentially dilutive shares resulting from stock plans (in shares)	734,219		584,884		1,020,282	503,754
Weighted-average common shares outstanding - diluted (in shares)	70,032,959		74,240,293		70,768,547	75,077,712
Earnings per share attributable to MillerKnoll, Inc. - basic (in dollar per share)	$ 0.49		$ 0.45		$ 0.47	$ 0.67
Earnings per share attributable to MillerKnoll, Inc. - diluted (in dollar per share)	$ 0.49		$ 0.45		$ 0.47	$ 0.67
Antidilutive equity awards not included in weighted-average common shares - diluted (in shares)	1,376,198		4,277,783		1,259,270	4,079,832

Stock-Based Compensation (Detai

Stock-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Stock-Based Compensation [Abstract]
Stock-based compensation expense	$ 8.8	$ 5.3	$ 17.9	$ 11.7
Related income tax effect	$ 2.2	$ 1.2	$ 4.4	$ 2.8

Income Taxes - Additional Infor

Income Taxes - Additional Information (Details)	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Income Tax Disclosure [Abstract]
Effective tax rates (percent)	21.80%	21.40%	20%	22.40%

Income Taxes - Schedule of Inte

Income Taxes - Schedule of Interest, Penalties and Uncertain Tax Positions (Details) - USD ($) $ in Millions	Nov. 30, 2024	Jun. 01, 2024
Income Tax Disclosure [Abstract]
Liability for interest and penalties	$ 0.9	$ 0.8
Liability for uncertain tax positions, current	$ 1.6	$ 1.5

Fair Value Measurements - Sched

Fair Value Measurements - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Nov. 30, 2024	Jun. 01, 2024
Carrying value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value	$ 1,402.8	$ 1,347.8
Fair value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value	$ 1,484.4	$ 1,411.6

Fair Value Measurements - Sch_2

Fair Value Measurements - Schedule of Fair Value Hierarchy (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Nov. 30, 2024	Jun. 01, 2024
NAV
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan	$ 0	$ 0
Total	5	17.5
Total	0	0
NAV | Foreign currency forward contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency forward contracts - assets	0	0
Foreign currency forward contracts - liability	0	0
Quoted prices with other observable inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan	22.4	19.1
Total	22.8	20.2
Total	1.2	0.4
Quoted prices with other observable inputs (Level 2) | Other Comprehensive Income (Loss)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	39.3	61.7
Total	1.1	0
Quoted prices with other observable inputs (Level 2) | Foreign currency forward contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency forward contracts - assets	0.4	1.1
Foreign currency forward contracts - liability	1.2	0.4
Quoted prices with other observable inputs (Level 2) | Interest rate swap agreement | Other Comprehensive Income (Loss)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap agreement - asset	39.3	61.7
Interest rate swap agreement - liability	1.1	0
Money market funds | NAV
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	5	17.5
Money market funds | Quoted prices with other observable inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	$ 0	$ 0

Fair Value Measurements - Sch_3

Fair Value Measurements - Schedule of Interest Rate Swap (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Derivative [Line Items]
Gain (loss) recognized in Other comprehensive loss (income) (effective portion)	$ 3.6	$ (7.9)	$ (17.7)	$ (0.1)
Gain reclassified from Accumulated other comprehensive loss into earnings	6.8	$ 7.7	14.5	$ 15.1
September 2016 Interest Rate Swap
Derivative [Line Items]
Notional Amount	$ 150		$ 150
Effective Fixed Interest Rate	1.91%		1.91%
June 2017 Interest Rate Swap
Derivative [Line Items]
Notional Amount	$ 75		$ 75
Effective Fixed Interest Rate	2.348%		2.348%
January 2022 Interest Rate Swap
Derivative [Line Items]
Notional Amount	$ 575		$ 575
Effective Fixed Interest Rate	1.65%		1.65%
March 2023 Interest Rate Swap
Derivative [Line Items]
Notional Amount	$ 150		$ 150
Effective Fixed Interest Rate	3.95%		3.95%

Fair Value Measurements - Addit

Fair Value Measurements - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Derivative [Line Items]
Gain (loss) recognized in earnings for hedge ineffectiveness	$ 0	$ 0	$ 0	$ 0
Derivative instruments, gains expected to be reclassified from accumulated other comprehensive income			19,900,000
Derivative instruments, gains expected to be reclassified from accumulated other comprehensive income, net of tax			$ 14,900,000
March 2023 Interest Rate Swap
Derivative [Line Items]
Debt instrument, basis spread on variable rate (percent)			0.11448%

Fair Value Measurements - Sch_4

Fair Value Measurements - Schedule of Redeemable Noncontrolling Interests (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Redeemable Noncontrolling Interest [Roll Forward]
Beginning Balance			$ 73.9
Net income attributable to redeemable noncontrolling interests	$ 1.1	$ 0.9	1.8	$ 0.3
Ending Balance	73.4		73.4
HAY
Redeemable Noncontrolling Interest [Roll Forward]
Beginning Balance			73.9	107.6
Net income attributable to redeemable noncontrolling interests			1.8	0.3
Cumulative translation adjustments attributable to redeemable noncontrolling interests			(0.4)	0
Foreign currency translation adjustments			(1.9)	1.7
Ending Balance	$ 73.4	$ 109.6	$ 73.4	$ 109.6

Commitments and Contingencies -

Commitments and Contingencies - Schedule of Product Warranty Liability (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Movement in Standard Product Warranty Accrual [Roll Forward]
Accrual Balance — beginning	$ 69.7	$ 73.2	$ 70.4	$ 73.9
Accrual for warranty matters	6.9	4.9	11.8	10.1
Settlements and adjustments	(6.6)	(6.8)	(12.2)	(12.7)
Accrual Balance — ending	$ 70	$ 71.3	$ 70	$ 71.3

Commitments and Contingencies_2

Commitments and Contingencies - Additional Information (Details) - USD ($)	6 Months Ended
	Nov. 30, 2024	Jun. 01, 2024
Performance Guarantee
Loss Contingencies [Line Items]
Guarantor obligations, maximum exposure, undiscounted	$ 9,300,000
Guarantor obligations, carrying value	$ 0	$ 0
Performance Guarantee | Minimum
Loss Contingencies [Line Items]
Guarantor obligations, term (in years)	1 year
Performance Guarantee | Maximum
Loss Contingencies [Line Items]
Guarantor obligations, term (in years)	3 years
Financial Standby Letter of Credit
Loss Contingencies [Line Items]
Guarantor obligations, maximum exposure, undiscounted	$ 12,600,000
Guarantor obligations, carrying value	$ 0	$ 0

Short-Term Borrowings and Lon_3

Short-Term Borrowings and Long-Term Debt - Schedule of Long Term Debt Instruments (Details) - USD ($) $ in Millions	Nov. 30, 2024	Jun. 01, 2024
Debt Instrument [Line Items]
Supplier financing program	$ 2.2	$ 2
Finance lease liability	1.2	1.4
Total debt	1,402.8	1,347.8
Less: Unamortized discount and issuance costs	(10.9)	(12.6)
Less: Current debt	(48.7)	(43.5)
Long-term debt	$ 1,343.2	$ 1,291.7
Supplier Finance Program, Obligation, Statement of Financial Position Extensible Enumeration Not Disclosed Flag	Supplier financing program	Supplier financing program
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Long-term debt	Long-term debt
Term Loan A, due July 2026
Debt Instrument [Line Items]
Interest rate (percent)	6.4371%	6.4371%
Debt securities	$ 330	$ 345
Term Loan B, due July 2028
Debt Instrument [Line Items]
Interest rate (percent)	6.6871%	6.6871%
Debt securities	$ 606.3	$ 609.4
Syndicated Lline of Credit | Syndicated revolving line of credit, due July 2026
Debt Instrument [Line Items]
Syndicated revolving line of credit, due July 2026	$ 463.1	$ 390

Short-Term Borrowings and Lon_4

Short-Term Borrowings and Long-Term Debt - Additional Information (Details)	1 Months Ended	6 Months Ended
	Jul. 31, 2021 USD ($) loan	Nov. 30, 2024 USD ($)	Dec. 02, 2023 USD ($)	Jun. 01, 2024 USD ($)	Jun. 30, 2021 USD ($)
Debt Instrument [Line Items]
Supplier financing program		$ 2,200,000		$ 2,000,000
Private Placement Notes | Notes
Debt Instrument [Line Items]
Number of debt instruments | loan	2
Term Loan A, due July 2026
Debt Instrument [Line Items]
Periodic principal payment		15,000,000	$ 10,000,000
Term Loan A, due July 2026 | Secured Debt
Debt Instrument [Line Items]
Debt instrument, term	5 years
Debt instrument, face amount	$ 400,000,000
Term Loan B, due July 2028
Debt Instrument [Line Items]
Periodic principal payment		$ 3,100,000	$ 3,100,000
Term Loan B, due July 2028 | Secured Debt
Debt Instrument [Line Items]
Debt instrument, term	7 years
Debt instrument, face amount	$ 625,000,000
Syndicated Lline of Credit | Line of Credit
Debt Instrument [Line Items]
Syndicated revolving line of credit borrowing capacity	$ 725,000,000				$ 500,000,000

Short-Term Borrowings and Lon_5

Short-Term Borrowings and Long-Term Debt - Schedule of Line of Credit Facilities (Details) - Syndicated Lline of Credit - Syndicated revolving line of credit, due July 2026 - USD ($) $ in Millions	Nov. 30, 2024	Jun. 01, 2024
Line of Credit Facility [Line Items]
Syndicated revolving line of credit borrowing capacity	$ 725	$ 725
Less: Borrowings under the syndicated revolving line of credit	463.1	390
Less: Outstanding letters of credit	12.6	12.7
Available borrowings under the syndicated revolving line of credit	$ 249.3	$ 322.3

Accumulated Other Comprehensi_3

Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Nov. 30, 2024	Aug. 31, 2024	Dec. 02, 2023	Sep. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period	$ 1,332.5	$ 1,385.1	$ 1,422.3	$ 1,432.6	$ 1,385.1	$ 1,432.6
Other comprehensive (loss) income, net of tax before reclassifications					(53)	(4)
Reclassification from accumulated other comprehensive loss - Other, net					18.3	15
Tax benefit					(0.9)	0
Net reclassifications					17.4	15
Net current period other comprehensive (loss) income	(29.8)	(5.8)	(0.6)	11.6	(35.6)	11
Balance at end of period	1,310.8	1,332.5	1,420.6	1,422.3	1,310.8	1,420.6
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period	(98.5)	(92.7)	(83.5)	(95.1)	(92.7)	(95.1)
Net current period other comprehensive (loss) income	(29.8)	(5.8)	(0.6)	11.6
Balance at end of period	(128.3)	(98.5)	(84.1)	(83.5)	(128.3)	(84.1)
Cumulative Translation Adjustments
Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period		(105.7)		(114)	(105.7)	(114)
Other comprehensive (loss) income, net of tax before reclassifications					(20.8)	11.2
Reclassification from accumulated other comprehensive loss - Other, net					0	0
Tax benefit					0	0
Net reclassifications					0	0
Net current period other comprehensive (loss) income					(20.8)	11.2
Balance at end of period	(126.5)		(102.8)		(126.5)	(102.8)
Pension and Other Post-retirement Benefit Plans
Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period		(33.3)		(23.8)	(33.3)	(23.8)
Other comprehensive (loss) income, net of tax before reclassifications					0	0
Reclassification from accumulated other comprehensive loss - Other, net					3.8	(0.1)
Tax benefit					(0.9)	0
Net reclassifications					2.9	(0.1)
Net current period other comprehensive (loss) income					2.9	(0.1)
Balance at end of period	(30.4)		(23.9)		(30.4)	(23.9)
Interest Rate Swap Agreement
Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period		$ 46.3		$ 42.7	46.3	42.7
Other comprehensive (loss) income, net of tax before reclassifications					(32.2)	(15.2)
Reclassification from accumulated other comprehensive loss - Other, net					14.5	15.1
Tax benefit					0	0
Net reclassifications					14.5	15.1
Net current period other comprehensive (loss) income					(17.7)	(0.1)
Balance at end of period	$ 28.6		$ 42.6		$ 28.6	$ 42.6

Operating Segments (Details)

Operating Segments (Details) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024 USD ($)	Dec. 02, 2023 USD ($)	Nov. 30, 2024 USD ($) segment	Dec. 02, 2023 USD ($)
Segment Reporting Information
Number of reportable segments | segment			3
Net sales	$ 970.4	$ 949.5	$ 1,831.9	$ 1,867.2
Operating earnings (loss)	62.5	60.4	77.7	100.7
Operating Segments
Segment Reporting Information
Operating earnings (loss)	80	73.6	110.9	128.6
Corporate
Segment Reporting Information
Operating earnings (loss)	(17.5)	(13.2)	(33.2)	(27.9)
Americas Contract | Operating Segments
Segment Reporting Information
Net sales	504.2	476.1	958.8	966.5
Operating earnings (loss)	47.5	35.1	64.6	76.5
International Contract & Specialty | Operating Segments
Segment Reporting Information
Net sales	246.3	241.2	459.8	469.5
Operating earnings (loss)	23.8	23.8	33.1	35.2
Global Retail | Operating Segments
Segment Reporting Information
Net sales	219.9	232.2	413.3	431.2
Operating earnings (loss)	$ 8.7	$ 14.7	$ 13.2	$ 16.9

Restructuring and Integration_3

Restructuring and Integration Expense - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023	Jun. 01, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 0	$ 1,800,000	$ 0	$ 7,000,000
Assets held for sale	3,200,000		3,200,000		$ 3,500,000
Knoll Integration
Restructuring Cost and Reserve [Line Items]
Restructuring expenses incurred to-date	144,400,000		144,400,000
Restructuring and related cost, expected cost	0		0
Restructuring expense	$ 0	6,900,000	28,300,000	10,800,000
Knoll Integration | Exit and Disposal Activities
Restructuring Cost and Reserve [Line Items]
Restructuring expense		5,300,000	25,800,000	8,700,000
Knoll Integration | Other Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring expense		$ 1,600,000	2,500,000	$ 2,100,000
2024 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring expense			0		30,800,000
Restructuring costs expected					$ 0
2024 Restructuring Plan | Exit and Disposal Activities
Restructuring Cost and Reserve [Line Items]
Restructuring expense			$ 0

Restructuring and Integration_4

Restructuring and Integration Expense - Schedule of Severance and Employee Benefit Costs (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023	Jun. 01, 2024
Changes in Restructuring Liability Balance [Roll Forward]
Integration Costs	$ 0	$ 1,800,000	$ 0	$ 7,000,000
Knoll Integration
Changes in Restructuring Liability Balance [Roll Forward]
Integration Costs	0	6,900,000	28,300,000	10,800,000
2024 Restructuring Plan
Changes in Restructuring Liability Balance [Roll Forward]
Beginning balance			10,000,000
Integration Costs			0		$ 30,800,000
Amounts Paid			(6,100,000)
Ending balance	3,900,000		3,900,000		10,000,000
Total | Knoll Integration
Changes in Restructuring Liability Balance [Roll Forward]
Beginning balance			700,000
Integration Costs			25,800,000
Amounts Paid			(6,800,000)
Non-cash costs			(19,000,000)
Ending balance	700,000		700,000		700,000
Severance and Employee Benefit | Knoll Integration
Changes in Restructuring Liability Balance [Roll Forward]
Beginning balance			0
Integration Costs			0
Amounts Paid			0
Non-cash costs			0
Ending balance	0		0		0
Severance and Employee Benefit | 2024 Restructuring Plan
Changes in Restructuring Liability Balance [Roll Forward]
Beginning balance			10,000,000
Integration Costs			0
Amounts Paid			(6,100,000)
Ending balance	3,900,000		3,900,000		10,000,000
Exit and Disposal Activities | Knoll Integration
Changes in Restructuring Liability Balance [Roll Forward]
Beginning balance			700,000
Integration Costs		$ 5,300,000	25,800,000	$ 8,700,000
Amounts Paid			(6,800,000)
Non-cash costs			(19,000,000)
Ending balance	700,000		700,000		700,000
Exit and Disposal Activities | 2024 Restructuring Plan
Changes in Restructuring Liability Balance [Roll Forward]
Beginning balance			0
Integration Costs			0
Amounts Paid			0
Ending balance	$ 0		$ 0		$ 0

Restructuring and Integration_5

Restructuring and Integration Expense - Schedule of Restructuring Expenses by Segment (Details) - USD ($)	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Dec. 02, 2023	Nov. 30, 2024	Dec. 02, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 0	$ 1,800,000	$ 0	$ 7,000,000
Americas Contract
Restructuring Cost and Reserve [Line Items]
Restructuring expense	0	0	0	4,300,000
International Contract & Specialty
Restructuring Cost and Reserve [Line Items]
Restructuring expense	0	800,000	0	1,500,000
Global Retail
Restructuring Cost and Reserve [Line Items]
Restructuring expense	0	1,000,000	0	1,200,000
Knoll Integration
Restructuring Cost and Reserve [Line Items]
Restructuring expense	0	6,900,000	28,300,000	10,800,000
Knoll Integration | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring expense	0	0	0	100,000
Knoll Integration | Americas Contract | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring expense	0	6,400,000	22,500,000	9,500,000
Knoll Integration | International Contract & Specialty | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring expense	0	500,000	5,500,000	1,200,000
Knoll Integration | Global Retail | Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 0	$ 0	$ 300,000	$ 0

Variable Interest Entities (Det

Variable Interest Entities (Details) - USD ($) $ in Millions	Nov. 30, 2024	Jun. 01, 2024
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Carrying amounts of long term notes receivable	$ 17.3	$ 17.9