Consolidated Statements of Stockholders' Equity (Deficit) (unaudited) - USD ($) shares in Thousands, $ in Millions		Total	Class A Common Stock	Class B Common Stock		Common Stock Class A Common Stock	Common Stock Class B Common Stock		Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Non- Controlling Interests
Beginning balance (in shares) at Dec. 31, 2022						153,830	312
Beginning balance at Dec. 31, 2022		$ (329.3)				$ 0.2	$ 0.0		$ 1,912.6	$ (2,422.6)	$ 178.0	$ 2.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		47.4								47.3		0.1
Equity-based compensation, including amounts capitalized		74.5							74.5
Stock option exercises (in shares)						132
Stock option exercises		3.2							3.2
Repurchases of Class A common stock (in shares)						(1,553)
Repurchases of Class A common stock		(113.9)								(113.9)
Impact of derivatives, net		(39.5)									(39.5)
Change in foreign currency translation adjustment		2.1									2.1
Vesting of restricted stock units and other (in shares)						1,705	5
Vesting of restricted stock units and other		0.0							0.2	(0.1)	0.1	(0.2)
Ending balance (in shares) at Mar. 31, 2023						154,114	307
Ending balance at Mar. 31, 2023		(355.5)				$ 0.2	$ 0.0		1,990.5	(2,489.3)	140.7	$ 2.4
Beginning balance (in shares) at Dec. 31, 2023			142,051	259		142,051	259	[1]
Beginning balance at Dec. 31, 2023		62.2				$ 0.1	$ 0.0		2,271.6	(2,320.7)	111.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		401.5								401.5
Equity-based compensation, including amounts capitalized		72.3							72.3
Stock option exercises (in shares)						80
Stock option exercises		2.1							2.1
Repurchases of Class A common stock (in shares)	[2]					(1,245)
Repurchases of Class A common stock	[2]	(147.1)								(147.1)
Impact of derivatives, net		19.8									19.8
Change in foreign currency translation adjustment		3.8									3.8
Vesting of restricted stock units and other (in shares)						1,543	259	[1]
Vesting of restricted stock units and other		0.2							(0.1)	0.1	0.2
Ending balance (in shares) at Mar. 31, 2024			142,429	0	[3]	142,429	0	[1]
Ending balance at Mar. 31, 2024		$ 414.8				$ 0.1	$ 0.0		$ 2,345.9	$ (2,066.2)	$ 135.0

[1] Substantially all Class B shares were no longer outstanding as of March 31, 2024. See Note 1 for further discussion.

[2] Includes a 1% excise tax on shares repurchased, net of the fair market value of new share issuances, of $0.5 million.

[3] Substantially all Class B shares were no longer outstanding as of March 31, 2024.