Acquisitions (Tables)	3 Months Ended
Sep. 02, 2023
Business Combination and Asset Acquisition [Abstract]
Schedule of Business Acquisitions by Acquisition, Fair Value of Consideration Transferred	The acquisition date fair value of the consideration transferred for Knoll was $1,887.3 million, which consisted of the following (in millions, except share amounts): Knoll SharesHerman Miller, Inc (now MillerKnoll, Inc.) Shares ExchangedFair ValueCash Consideration:Shares of Knoll Common Stock issued and outstanding at July 19, 202149,444,825 $543.9 Knoll equivalent shares for outstanding option awards, outstanding awards of restricted common stock held by non-employee directors and outstanding awards of performance units held by individuals who are former employees of Knoll and remain eligible to vest at July 19, 2021184,857 1.4 Total number of Knoll shares for cash consideration49,629,682 Shares of Knoll Preferred Stock issued and outstanding at July 19, 2021169,165 254.4 Consideration for payment to settle Knoll's outstanding debt376.9 Share Consideration:Shares of Knoll Common Stock issued and outstanding at July 19, 202149,444,825 Knoll equivalent shares for outstanding awards of restricted common stock held by non-employee directors and outstanding awards of performance units held by individuals who are former employees of Knoll and remain eligible to vest at July 19, 202174,857 Total number of Knoll shares for share consideration49,519,682 15,843,921 688.3 Replacement Share-Based Awards:Outstanding awards of Knoll Restricted Stock and Performance units relating to Knoll Common Stock at July 19, 202122.4 Total acquisition date fair value of consideration transferred$1,887.3
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed	The following table summarizes the fair value of assets acquired and liabilities assumed as of the date of acquisition:(In millions)Fair ValueCash$88.0 Accounts receivable82.3 Inventories219.9 Other current assets29.2 Property and equipment296.5 Right-of-use assets202.7 Intangible assets756.6 Goodwill903.5 Other noncurrent assets25.1 Total assets acquired2,603.8 Accounts payable144.0 Other current liabilities153.1 Lease liabilities177.8 Other liabilities241.6 Total liabilities assumed716.5 Net Assets Acquired$1,887.3
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination	The following table summarizes the acquired identified intangible assets, valuation method employed, useful lives and fair value, as determined by the Company as of the acquisition date:(In millions)Valuation MethodUseful Life (years)Fair ValueBacklogMulti-Period Excess EarningsLess than 1 Year$27.6 Trade name - indefinite livedRelief from RoyaltyIndefinite418.0 Trade name - amortizingRelief from Royalty5-10 Years14.0 DesignsRelief from Royalty9-15 years40.0 Customer RelationshipsMulti-Period Excess Earnings2-15 years257.0 Total$756.6

Acquisitions (Tables)

3 Months Ended

Sep. 02, 2023

Business Combination and Asset Acquisition [Abstract]

Schedule of Business Acquisitions by Acquisition, Fair Value of Consideration Transferred

The acquisition date fair value of the consideration transferred for Knoll was $1,887.3 million, which consisted of the following (in millions, except share amounts): Knoll SharesHerman Miller, Inc (now MillerKnoll, Inc.) Shares ExchangedFair ValueCash Consideration:Shares of Knoll Common Stock issued and outstanding at July 19, 202149,444,825 $543.9 Knoll equivalent shares for outstanding option awards, outstanding awards of restricted common stock held by non-employee directors and outstanding awards of performance units held by individuals who are former employees of Knoll and remain eligible to vest at July 19, 2021184,857 1.4 Total number of Knoll shares for cash consideration49,629,682 Shares of Knoll Preferred Stock issued and outstanding at July 19, 2021169,165 254.4 Consideration for payment to settle Knoll's outstanding debt376.9 Share Consideration:Shares of Knoll Common Stock issued and outstanding at July 19, 202149,444,825 Knoll equivalent shares for outstanding awards of restricted common stock held by non-employee directors and outstanding awards of performance units held by individuals who are former employees of Knoll and remain eligible to vest at July 19, 202174,857 Total number of Knoll shares for share consideration49,519,682 15,843,921 688.3 Replacement Share-Based Awards:Outstanding awards of Knoll Restricted Stock and Performance units relating to Knoll Common Stock at July 19, 202122.4 Total acquisition date fair value of consideration transferred$1,887.3

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following table summarizes the fair value of assets acquired and liabilities assumed as of the date of acquisition:(In millions)Fair ValueCash$88.0 Accounts receivable82.3 Inventories219.9 Other current assets29.2 Property and equipment296.5 Right-of-use assets202.7 Intangible assets756.6 Goodwill903.5 Other noncurrent assets25.1 Total assets acquired2,603.8 Accounts payable144.0 Other current liabilities153.1 Lease liabilities177.8 Other liabilities241.6 Total liabilities assumed716.5 Net Assets Acquired$1,887.3

Schedule of Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination

The following table summarizes the acquired identified intangible assets, valuation method employed, useful lives and fair value, as determined by the Company as of the acquisition date:(In millions)Valuation MethodUseful Life (years)Fair ValueBacklogMulti-Period Excess EarningsLess than 1 Year$27.6 Trade name - indefinite livedRelief from RoyaltyIndefinite418.0 Trade name - amortizingRelief from Royalty5-10 Years14.0 DesignsRelief from Royalty9-15 years40.0 Customer RelationshipsMulti-Period Excess Earnings2-15 years257.0 Total$756.6