Investment in and Advances to Unconsolidated Affiliates - Affiliate Income Statement (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Investments in and Advances to Affiliates [Line Items]
Net revenue	$ 582.5	$ 515.1	$ 946.6	$ 839.4
Net income			381.4	144.4
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Investments in and Advances to Affiliates [Line Items]
Net revenue	214.6	197.9	391.8	336.6
Operating and SG&A expense	130.7	109.8	248.9	195.4
Depreciation and amortization	6.3	4.4	11.6	8.7
Total operating expense	137.0	114.2	260.5	204.1
Operating income	77.6	83.7	131.3	132.5
Interest and other, net	(7.3)	(19.7)	(3.2)	(24.3)
Net income	$ 70.3	$ 64.0	$ 128.1	$ 108.2