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Acquisitions and Divestitures - Narrative (Details) - USD ($) $ in Millions |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended | 18 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 02, 2019 | Oct. 25, 2019 | Aug. 31, 2018 | Jun. 07, 2018 | Dec. 02, 2019 | May 30, 2020 | May 29, 2021 | May 30, 2020 | Jun. 01, 2019 | Dec. 02, 2019
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Payments to acquire intangible assets |  |  |  |  |  |  | $ 0.0 | $ 0.0 | $ 4.8 |
Net gain recorded |  |  |  |  |  |  |  |  |  | $ 5.9
Remaining equity that can be purchased (percent) |  |  |  |  |  |  | 33.00% |  |  |
Gain on consolidation of equity method investments |  |  |  |  | $ 36.2 |  | $ 0.0 | 36.2 | 0.0 |
Investments in nonconsolidated affiliates |  |  |  |  |  | $ 12.2 | 11.7 | 12.2 |  |
Impairment charges |  |  |  |  |  |  | $ 0.0 | 205.4 | $ 0.0 |
MAARS |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Outstanding equity interest acquired (percent) |  |  | 48.20% |  |  |  |  |  |  |
Cash payment to acquire equity interest |  |  | $ 6.1 |  |  |  |  |  |  |
HAY |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Outstanding equity interest acquired (percent) | 34.00% |  |  | 33.00% | 34.00% |  |  |  |  | 34.00%
Cash payment to acquire equity interest | $ 79.0 |  |  | $ 65.5 |  |  |  |  |  |
Payments to acquire intangible assets |  |  |  | $ 4.8 |  |  |  |  |  |
Ownership interest (percent) | 67.00% |  |  |  |  |  |  |  |  |
Increase in goodwill |  |  |  |  |  |  |  | 111.1 |  |
Gain on consolidation of equity method investments | $ 0.3 |  |  |  |  |  |  |  |  |
Investments in nonconsolidated affiliates | 67.8 |  |  |  | $ 67.8 |  |  |  |  | $ 67.8
naughtone |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Outstanding equity interest acquired (percent) |  | 47.50% |  |  |  |  |  |  |  |
Cash payment to acquire equity interest |  | $ 45.9 |  |  |  |  |  |  |  |
Increase in goodwill |  |  |  |  |  |  |  | $ 57.5 |  |
Gain on consolidation of equity method investments |  | 30.0 |  |  |  |  |  |  |  |
Investments in nonconsolidated affiliates |  | 20.5 |  |  |  |  |  |  |  |
Licensing agreements | HAY |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Remaining useful lives |  |  |  | 15 years |  |  |  |  |  |
Tradename | HAY |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Impairment charges |  |  |  |  |  | 20.7 |  |  |  |
Tradename | naughtone |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Impairment charges |  |  |  |  |  | $ 2.5 |  |  |  |
North America Contract | naughtone |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Increase in goodwill |  | 35.0 |  |  |  |  |  |  |  |
International Contract | HAY |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Increase in goodwill | 101.1 |  |  |  |  |  |  |  |  |
International Contract | naughtone |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Increase in goodwill |  | $ 22.5 |  |  |  |  |  |  |  |
Retail | HAY |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Increase in goodwill | $ 10.0 |  |  |  |  |  |  |  |  | $ 10.0

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