CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive (Loss) Income	Retained Deficit	Non-Controlling Interests— Non-Redeemable
Balance at beginning of period (shares) at Dec. 31, 2021		89,333,000
Balance at beginning of period at Dec. 31, 2021	$ 1,969.6	$ 0.9	$ 1,622.3	$ (31.5)	$ (502.7)	$ 880.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	32.2				12.2	20.0
Equity-based compensation (shares)		572,000
Equity-based compensation	7.7		7.7
Other Comprehensive income (loss)	56.8			56.8
Acquisition and disposal of shares of non-controlling interests, net	(29.1)		(4.8)			(24.3)
Distributions to non-controlling interests—non-redeemable holders	(24.6)					(24.6)
Balance at end of period (shares) at Mar. 31, 2022		89,905,000
Balance at end of period at Mar. 31, 2022	$ 2,012.6	$ 0.9	1,625.2	25.3	(490.5)	851.7
Balance at beginning of period (shares) at Dec. 31, 2022	125,960,834	125,961,000
Balance at beginning of period at Dec. 31, 2022	$ 2,940.9	$ 1.3	2,478.0	76.2	(557.3)	942.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(6.7)				(25.0)	18.3
Equity-based compensation (shares)		519,000
Equity-based compensation	3.7		3.7
Other Comprehensive income (loss)	(11.3)			(11.3)
Acquisition and disposal of shares of non-controlling interests, net	46.1		(3.6)			49.7
Distributions to non-controlling interests—non-redeemable holders	$ (30.2)					(30.2)
Balance at end of period (shares) at Mar. 31, 2023	126,480,483	126,480,000
Balance at end of period at Mar. 31, 2023	$ 2,942.5	$ 1.3	$ 2,478.1	$ 64.9	$ (582.3)	$ 980.5