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Basis of Presentation and Accounting Policies - Additional Information (Details) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2022 USD ($) | Dec. 31, 2021 USD ($)
Accounting Policies [Line Items] |  |  |
Non-cash impairment charge loss |  | $ 0.0 |
Goodwill | [1] | $ 1,640.4 | $ 1,722.2
Netherlands |  |  |
Accounting Policies [Line Items] |  |  |
Discount rate for goodwill impairment test (as a percent) |  | 12.5 |
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) |  | 4.0 |
Northern Europe | United Kingdom |  |  |
Accounting Policies [Line Items] |  |  |
Goodwill |  | $ 93.4 | 110.7
Northern Europe | Netherlands |  |  |
Accounting Policies [Line Items] |  |  |
Goodwill |  | $ 96.8 | $ 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) |  | 0.30 |
Maximum [Member] | Netherlands |  |  |
Accounting Policies [Line Items] |  |  |
Discount rate for goodwill impairment test (as a percent) |  | 0.84 |
[1] | Balances were net of accumulated impairment loss of $644.2 as of both September 30, 2022 and December 31, 2021.

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