Basis of Presentation and Accounting Policies - Additional Information (Details) $ in Millions		9 Months Ended
		Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Accounting Policies [Line Items]
Goodwill	[1]	$ 1,620.1	$ 1,628.1
Netherlands | Discount Rates
Accounting Policies [Line Items]
Discount rate for goodwill impairment test (as a percent)		0.125
Netherlands | Terminal Value Revenue Growth Rate
Accounting Policies [Line Items]
Discount rate for goodwill impairment test (as a percent)		0.02
Netherlands | Terminal Value OUP Margin
Accounting Policies [Line Items]
Discount rate for goodwill impairment test (as a percent)		0.032
Northern Europe | Netherlands
Accounting Policies [Line Items]
Goodwill		$ 54.4
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)		0.064
Maximum | Netherlands
Accounting Policies [Line Items]
Discount rate for goodwill impairment test (as a percent)		0.012

[1] Balances were net of accumulated impairment loss of $694.2 as of both September 30, 2023 and December 31, 2022.