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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Treasury Stock at Cost	Non-controlling Interests
Beginning Balance at Dec. 31, 2018	$ 4,134.9	$ 0.6	$ 835.6	$ (109.0)	$ 3,876.8	$ (1,146.6)	$ 677.5
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(133.0)				(200.8)		67.8
Other comprehensive loss	8.7			2.1			6.6
Share-based compensation	8.8		8.8
Common stock issued under share-based incentive plans	(6.1)		(33.0)			26.9
Share repurchases	(90.6)					(90.6)
Dividends	(16.8)				(16.8)
Affiliate equity activity:
Affiliate equity compensation	10.7		2.2				8.5
Issuances	10.1		(0.9)				11.0
Repurchases	4.6		4.6
Changes in redemption value of Redeemable non-controlling interests	(12.9)		(12.9)
Transfers to Redeemable non-controlling interests	(47.3)						(47.3)
Capital contributions by Affiliate equity holders	0.4						0.4
Distributions to non-controlling interests	(104.6)						(104.6)
Ending Balance at Mar. 31, 2019	3,760.3	0.6	804.4	(106.9)	3,652.6	(1,210.3)	619.9
Beginning Balance at Dec. 31, 2019	3,499.1	0.6	707.2	(108.8)	3,819.8	(1,481.3)	561.6
Increase (Decrease) in Stockholders' Equity
Net income (loss)	40.0				(15.6)		55.6
Other comprehensive loss	(53.9)			(37.7)			(16.2)
Share-based compensation	8.2		8.2
Common stock issued under share-based incentive plans	(6.4)		(33.4)			27.0
Share repurchases	(69.6)					(69.6)
Dividends	(15.1)				(15.1)
Affiliate equity activity:
Affiliate equity compensation	16.6		2.8				13.8
Issuances	12.1		(1.8)				13.9
Repurchases	34.7		34.7
Changes in redemption value of Redeemable non-controlling interests	143.0		143.0
Transfers to Redeemable non-controlling interests	(5.1)						(5.1)
Capital contributions by Affiliate equity holders	4.9						4.9
Distributions to non-controlling interests	(99.6)						(99.6)
Ending Balance at Mar. 31, 2020	$ 3,508.9	$ 0.6	$ 860.7	$ (146.5)	$ 3,789.1	$ (1,523.9)	$ 528.9

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