Basis of Presentation and Summary of Significant Accounting Policies - Subsequent Events (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Oct. 21, 2024	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Oct. 31, 2024	Mar. 31, 2024
Subsequent Event [Line Items]
Interest expense		$ 93.1	$ 48.8	$ 192.7	$ 162.5
Scenario, Adjustment
Subsequent Event [Line Items]
Interest expense		$ 45.8
Cobra U.K.
Subsequent Event [Line Items]
Interest acquired							49.90%
Subsequent event
Subsequent Event [Line Items]
Cash paid	$ 89.0
Subsequent event | Cobra U.K.
Subsequent Event [Line Items]
Interest acquired	49.90%					49.90%