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Basis of Presentation and Accounting Policies - Additional Information (Details) $ in Millions |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Oct. 01, 2021 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2021 USD ($) | Sep. 30, 2021 | Dec. 31, 2021 USD ($)
Accounting Policies [Line Items] |  |  |  |  |  |
Non-cash impairment charge loss |  |  | $ 0.0 | $ 0.0 |  |
Goodwill | [1] |  | $ 1,710.0 |  |  | $ 1,722.2
Ettain Group [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Aggregate cash consideration paid |  | $ 930.9 |  |  |  |
Draw on revolving credit facility |  | 150.0 |  |  |  |
Ettain Group [Member] | working capital and cash [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Aggregate cash consideration paid |  | 5.9 |  |  |  |
Ettain Group [Member] | Acquired interests [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Aggregate cash consideration paid |  | $ 925.0 |  |  |  |
Netherlands |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Percentage of goodwill over fair value of reporting unit |  |  | 5.50% |  |  |
Discount rate for goodwill impairment test (as a percent) |  |  | 10.4 |  |  |
Netherlands | Terminal Value Revenue Growth Rate |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Discount rate for goodwill impairment test (as a percent) |  |  | 2.0 |  |  |
Netherlands | Terminal Value OUP Margin |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Discount rate for goodwill impairment test (as a percent) |  |  | 3.5 |  |  |
Northern Europe | United Kingdom |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Goodwill |  |  | $ 107.8 |  |  | 110.7
Northern Europe | Netherlands |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Goodwill |  |  | $ 109.2 |  |  | $ 112.2
Minimum |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Percentage of goodwill over fair value of reporting unit |  |  | 20.00% |  |  |
Minimum | Other Reporting Units |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Percentage of goodwill over fair value of reporting unit |  |  |  |  | 20.00% |
Minimum | Netherlands |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Discount rate for goodwill impairment test (as a percent) |  |  | 3.0 |  |  |
Maximum [Member] | Netherlands |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Discount rate for goodwill impairment test (as a percent) |  |  | 5.0 |  |  |
[1] | Balances were net of accumulated impairment loss of $644.2 as of both March 31, 2022 and December 31, 2021.

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