CONSOLIDATED STATEMENTS OF CHANGES IN OWNERS' EQUITY AND SERIES A PREFERRED STOCK - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Noncontrolling Interests [Member]	Series A Preferred Stock
Balance at Dec. 31, 2021	$ 5,178.7	$ 0.2	$ 4,268.9	$ (1,822.3)	$ (230.9)	$ (204.1)	$ 3,166.9
Balance (in shares) at Dec. 31, 2021		228,221,000				7,884,000
Series A Preferred Stock at Dec. 31, 2021								$ 749.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation on equity grants	57.5		57.5
Dividend equivalent rights	(7.1)		(7.1)
Shares issued under compensation program (in shares)		1,834,000
Shares tendered for tax withholding obligations	(35.8)					$ (35.8)
Shares tendered for tax withholding obligations (in shares)		(601,000)				601,000
Repurchases of common stock	$ (224.8)					$ (224.8)
Repurchases of common stock (in shares)	(3,412,354)	(3,412,000)				3,412,000
Series A Preferred Stock dividends
Preferred stock dividends	$ (30.0)			(30.0)
Dividends in excess of retained earnings			(30.0)	30.0
Deemed dividends - redemption of Series A Preferred Stock	(215.5)		(215.5)
Common stock dividends
Common stock dividends	(318.3)			(318.3)
Dividends in excess of retained earnings			(318.3)	318.3
Redemption of Series A preferred Stock								$ (749.7)
Distributions to noncontrolling interests	(354.5)						(354.5)
Contributions from noncontrolling interests	26.1						26.1
Repurchase of noncontrolling interests, net of tax	(911.1)		(53.2)				(857.9)
Other comprehensive income (loss)	285.6				285.6
Net income (loss)	1,531.4			1,195.5			335.9
Balance at Dec. 31, 2022	4,982.2	$ 0.2	3,702.3	(626.8)	54.7	$ (464.7)	2,316.5
Balance (in shares) at Dec. 31, 2022		226,042,000				11,897,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation on equity grants	62.4		62.4
Dividend equivalent rights	(3.9)		(2.3)	(1.6)
Shares issued under compensation program (in shares)		2,156,000
Shares tendered for tax withholding obligations	(55.8)					$ (55.8)
Shares tendered for tax withholding obligations (in shares)		(716,000)				716,000
Repurchases of common stock	$ (373.7)					$ (373.7)
Repurchases of common stock (in shares)	(4,870,559)	(4,871,000)				4,871,000
Excise tax on repurchases of common stock	$ (2.7)					$ (2.7)
Common stock dividends
Common stock dividends	(419.0)			(419.0)
Dividends in excess of retained earnings			(193.5)	193.5
Distributions to noncontrolling interests	(230.0)						(230.0)
Contributions from noncontrolling interests	9.7						9.7
Repurchase of noncontrolling interests, net of tax	(969.4)		(510.1)				(459.3)
Other comprehensive income (loss)	30.9				30.9
Net income (loss)	1,579.3			1,345.9			233.4
Balance at Dec. 31, 2023	4,610.0	$ 0.2	3,058.8	492.0	85.6	$ (896.9)	1,870.3
Balance (in shares) at Dec. 31, 2023		222,611,000				17,484,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation on equity grants	63.2		63.2
Dividend equivalent rights	(3.8)			(3.8)
Shares issued under compensation program (in shares)		1,669,000
Shares tendered for tax withholding obligations	(56.4)					$ (56.4)
Shares tendered for tax withholding obligations (in shares)		(583,000)				583,000
Repurchases of common stock	$ (754.7)					$ (754.7)
Repurchases of common stock (in shares)	(5,933,050)	(5,933,000)				5,933,000
Excise tax on repurchases of common stock	$ (6.4)					$ (6.4)
Common stock dividends
Common stock dividends	(610.2)			(610.2)
Distributions to noncontrolling interests	(229.0)						(229.0)
Contributions from noncontrolling interests	12.0						12.0
Repurchase of noncontrolling interests, net of tax	(101.9)		(32.9)				(69.0)
Other comprehensive income (loss)	(58.1)				(58.1)
Net income (loss)	1,553.5			1,312.0			241.5
Balance at Dec. 31, 2024	$ 4,418.2	$ 0.2	$ 3,089.1	$ 1,190.0	$ 27.5	$ (1,714.4)	$ 1,825.8
Balance (in shares) at Dec. 31, 2024		217,764,000				24,000,000