Affiliate Equity [Abstract]

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Affiliate Equity Compensation Expense, Including Adjustments and Portion Attributable to Noncontrolling Interest

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Noncontrolling Interest, Decrease from Redemptions

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Noncontrolling Interest, Decrease from Transfers to Noncontrolling Interest Holders

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- Definition

Noncontrolling Interest, Increase (Decrease) from Purchase of Interests

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Noncontrolling Interest, Increase from Contributions from Affiliate

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- Definition

Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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- Definition

Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

+ References

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Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) shares in Millions, $ 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 (in shares) at Dec. 31, 2017		58.5
Beginning Balance at Dec. 31, 2017	$ 4,578.5	$ 0.6	$ 808.6	$ (21.8)	$ 3,698.5	$ (663.7)	$ 756.3
Increase (Decrease) in Stockholders' Equity
Net income (loss)	224.0				153.0		71.0
Other comprehensive income	29.4			20.9			8.5
Share-based compensation	10.7		10.7
Common stock issued under share-based incentive plans	(9.5)		(2.2)			(7.3)
Share repurchases	(150.8)					(150.8)
Dividends ($0.30 per share and $0.32 per share)	(16.6)				(16.6)
Affiliate equity activity:
Affiliate equity compensation	19.4		2.6				16.8
Issuances	7.0		(1.4)				8.4
Repurchases	14.4		14.4
Changes in redemption value of Redeemable non-controlling interests	(168.5)		(168.5)
Transfers to Redeemable non-controlling interests	(4.9)						(4.9)
Capital contributions by Affiliate equity holders	1.9						1.9
Distributions to non-controlling interests	(112.4)						(112.4)
Ending Balance (in shares) at Mar. 31, 2018		58.5
Ending Balance at Mar. 31, 2018	$ 4,422.6	$ 0.6	664.2	(0.9)	3,834.9	(821.8)	745.6
Beginning Balance (in shares) at Dec. 31, 2018	58.5	58.5
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 income	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 ($0.30 per share and $0.32 per share)	(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 (in shares) at Mar. 31, 2019	58.5	58.5
Ending Balance at Mar. 31, 2019	$ 3,760.3	$ 0.6	$ 804.4	$ (106.9)	$ 3,652.6	$ (1,210.3)	$ 619.9