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Acquisitions - Schedule of Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination (Details) - USD ($) $ in Millions		3 Months Ended
	Jul. 19, 2021	Aug. 28, 2021
Business Acquisition [Line Items]
Trade name - indefinite lived		$ 396.9
Knoll
Business Acquisition [Line Items]
Total	$ 770.4
Knoll | Trade name - indefinite lived
Business Acquisition [Line Items]
Trade name - indefinite lived	$ 397.0
Knoll | Backlog
Business Acquisition [Line Items]
Useful Life (years)	1 year
Fair value of finite-lived intangible assets	$ 53.4
Knoll | Trade name - indefinite lived
Business Acquisition [Line Items]
Fair value of finite-lived intangible assets	$ 23.0
Knoll | Trade name - indefinite lived | Minimum
Business Acquisition [Line Items]
Useful Life (years)	5 years
Knoll | Trade name - indefinite lived | Maximum
Business Acquisition [Line Items]
Useful Life (years)	10 years
Knoll | Designs
Business Acquisition [Line Items]
Fair value of finite-lived intangible assets	$ 29.0
Knoll | Designs | Minimum
Business Acquisition [Line Items]
Useful Life (years)	9 years
Knoll | Designs | Maximum
Business Acquisition [Line Items]
Useful Life (years)	15 years
Knoll | Customer Relationships
Business Acquisition [Line Items]
Fair value of finite-lived intangible assets	$ 268.0
Knoll | Customer Relationships | Minimum
Business Acquisition [Line Items]
Useful Life (years)	2 years
Knoll | Customer Relationships | Maximum
Business Acquisition [Line Items]
Useful Life (years)	15 years

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- Definition

Finite And Indefinite-Lived Intangible Assets Acquired

+ References

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
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+ References

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-Topic 350
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