Equity-Based Compensation (Details) (USD $)	3 Months Ended		9 Months Ended			9 Months Ended	12 Months Ended	9 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Restricted Stock [Member]	Dec. 31, 2013 Restricted Stock [Member]	Sep. 30, 2014 Restricted Stock Units (RSUs) [Member]	Dec. 31, 2013 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2014 Employee Stock Option [Member]		Sep. 30, 2014 Performance Shares [Member]	Sep. 30, 2014 Performance Shares [Member] Minimum [Member]	Sep. 30, 2014 Performance Shares [Member] Maximum [Member]
Equity-Based Compensation Plan Activity [Line Items]
Allocated Share-based Compensation Expense	$ 3,900,000	$ 40,300,000		$ 44,300,000
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost				36,700,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period										3 years 0 months 0 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance			1,280,255
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			1,244,386
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period			(9,264)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period			(63,432)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance	2,451,945		2,451,945
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Outstanding, Number	524,824		524,824
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	524,824		524,824
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	1,874,216		1,874,216
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 20.72		$ 20.72		$ 17.00
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price			$ 24.39
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price			$ 24.29
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price			$ 17.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Outstanding, Weighted Average Exercise Price	$ 17.00		$ 17.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 17.00		$ 17.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price	$ 21.75		$ 21.75
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term			8 years 6 months 20 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Outstanding, Weighted Average Remaining Contractual Term			7 years 5 months 21 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term			7 years 5 months 21 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term			8 years 10 months 6 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value			800,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	25,300,000		25,300,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Outstanding, Aggregate Intrinsic Value	7,400,000		7,400,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	7,400,000		7,400,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	17,400,000		17,400,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value										$ 7.23
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate										30.00%	[1]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate										1.77%	[2]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate										0.70%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term										6 years 0 months	[3]
Restricted Stock Unit, Plan Activity [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, RSU Beginning Balance								1,351,572
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period							3,798,508	25,844				416,590
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period						(1,737,866)		(1,528)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period						(7,122)		(101,069)				(3,100)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, RSU Ending Balance						847,045		1,274,819				413,490
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value								$ 17.18	$ 17.04
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value								$ 24.29				$ 24.39
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value								$ 17.00
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value								$ 17.00				$ 24.29
Percentage of shares expected to vest													0.00%	200.00%
Equity-based compensation expense, not yet recognized	$ 30,300,000		$ 30,300,000
Equity-based compensation expense, not yet recognized, period for recognition	2 years 5 months 25 days

[1] Based upon an assessment of the two-year, five-year and implied volatility for the Company’s selected peer group, adjusted for the Company’s leverage.

[2] Based on a composite U.S. Treasury rate.

[3] The expected term is calculated using the simplified method. The simplified method defines the expected term as the average of the option’s contractual term and the option’s weighted-average vesting period. The Company utilizes this method as it has limited historical stock option data that is sufficient to derive a reasonable estimate of the expected stock option term.