Investments in and Advances to Unconsolidated Affiliates - Affiliate Income Statement (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Investments in and Advances to Affiliates [Line Items]
Net revenue	$ 768.5		$ 582.5		$ 1,328.0	$ 946.6
Operating and SG&A expense	48.1		38.4		100.4	74.3
Operating income	225.6		199.7		345.5	247.1
Interest and other, net	(65.2)		(35.1)		(129.9)	(56.4)
Net income	143.0	$ 155.7	339.3	$ 42.1	298.7	381.4
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Investments in and Advances to Affiliates [Line Items]
Net revenue	218.7		214.6		439.3	391.8
Operating and SG&A expense	135.0		130.7		272.2	248.9
Depreciation and amortization	5.9		6.3		11.6	11.6
Total operating expense	140.9		137.0		283.8	260.5
Operating income	77.8		77.6		155.5	131.3
Interest and other, net	(10.7)		(7.3)		(21.6)	(3.2)
Net income	$ 67.1		$ 70.3		$ 133.9	$ 128.1