Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation Expense Recognized

Our stock-based compensation expense consists primarily of time-based and performance based stock options, restricted stock units and restricted stock awards that have been granted to management, other personnel and key service providers.

Stock-Based Compensation Expense
	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions)	2014		2013		2014		2013
Amounts included in:
Corporate expense	$	9.6	$	5.2	$	28.1	$	8.5
Property, general, administrative, and other	23.7		3.3		55.1		9.7
Total stock-based compensation expense	$	33.3	$	8.5	$	83.2	$	18.2

Stock-Based Compenation Attributable to Variable interest Entity [Table Text Block]

Stock-Based Compensation Expense (Portion of Amounts Above Attributable to CIE)
	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions)	2014		2013		2014		2013
Liability awards	$	20.1	$	2.1	$	42.6	$	4.4
Equity awards	1.9		0.4		5.8		2.0
Total	$	22.0	$	2.5	$	48.4	$	6.4

Summary of Share-Based Option Activity

Stock Option Activity
	Shares		Weighted Average Exercise Price
Outstanding as of December 31, 2013	8,463,811		$	12.09
Granted	1,500,000		21.18
Exercised	(206,380	)	9.55
Forfeited	(139,101	)	9.58
Expired	(9,299	)	14.38
Outstanding as of September 30, 2014	9,609,031		$	13.59
Vested and expected to vest as of September 30, 2014	9,228,997		$	12.06
Exercisable as of September 30, 2014	3,850,857		$	9.64

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

Restricted Stock Unit Activity
	Units		Fair Value
Outstanding as of December 31, 2013	1,503,534		$	13.74
Granted	1,136,515		21.18
Canceled	(63,671	)	15.26
Vested	(375,400	)	13.73
Outstanding as of September 30, 2014	2,200,978		$	17.54