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Stock-based Compensation (Details)		3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 04, 2015 USD ($) shares	Dec. 31, 2015 USD ($) $ / shares shares	Sep. 30, 2015 $ / shares shares	Dec. 31, 2015 USD ($) plan $ / shares shares	Dec. 31, 2014 USD ($) $ / shares shares	Dec. 31, 2013 USD ($) $ / shares shares	May. 22, 2013 shares	Dec. 31, 2003 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of compensation plans | plan				2
Total stock-based compensation expense | $				$ 22,500,000	$ 13,400,000	$ 16,900,000
Fair value assumptions and methodology [Abstract]
Expected volatility range of stock, minimum (in hundredths)				34.00%	56.70%	63.00%
Expected volatility range of stock, maximum (in hundredths)				36.20%	66.50%	72.80%
Expected life of option, range in years, minimum				3 years	2 years	2 years
Expected life of option, range in years, maximum				5 years	4 years	3 years
Risk-free interest rate range, minimum (in hundredths)				0.90%	0.40%	0.30%
Risk-free interest rate range, maximum (in hundredths)				1.50%	1.40%	0.60%
Expected dividend yield on stock, minimum (in hundredths)				0.00%	0.60%	0.60%
Expected dividend yield on stock, maximum (in hundredths)				0.00%	0.70%	0.90%
Weighted Average Exercise Price
Total intrinsic value of options exercised | $				$ 71,800,000	$ 6,700,000	$ 17,100,000
Total unrecognized stock-based compensation expense | $		$ 28,000,000		$ 28,000,000
Weighted Average Remaining Vesting Period (in years)				2 years 5 months 9 days
Cash received from exercise of stock options | $				$ 20,400,000	$ 4,300,000	$ 8,700,000
Treasury Stock
Shares
Released (in shares)				(1,300,000)	(200,000)	(600,000)
Performance-based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense | $				$ 13,700,000	$ 3,500,000	$ 3,000,000
Revaluation benefit from PRSU Granted | $				$ 0	$ 3,000,000	$ 0
Shares
Beginning balance (in shares)			300,000	300,000	300,000
Granted (in shares)				1,700,000	300,000
Vested (in shares)				0	0
Forfeited/Terminated (in shares)				(100,000)	(300,000)
Ending balance (in shares)		1,900,000		1,900,000	300,000	300,000
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares			$ 53.45	$ 53.45	$ 39.04
Granted (in dollars per share) | $ / shares				70.43	51.87
Vested (in dollars per share) | $ / shares				0.00	37.05
Forfeited/Terminated (in dollars per share) | $ / shares				56.74	39.38
Ending balance (in dollars per share) | $ / shares		$ 68.17		$ 68.17	$ 53.45	$ 39.04
Outstanding intrinsic value | $		$ 13,900,000		$ 13,900,000
Weighted Average Exercise Price
Total unrecognized stock-based compensation expense | $		10,900,000		$ 10,900,000
Weighted Average Remaining Vesting Period (in years)				2 years 3 months 15 days
Performance-based Restricted Stock Units | 2018 if target is not met
Weighted Average Grant Date Fair Value
Percentage of target shares to vest				33.33%
Number of target shares to vest				460,000
Performance-based Restricted Stock Units | Treasury Stock
Weighted Average Grant Date Fair Value
Grant date intrinsic value | $				$ 0	$ 1,400,000	$ 14,900,000
Performance period (in years)				1 year
Percentage of stock units released				100.00%		282.00%
Maximum payout (percent)						300.00%
Performance-based Restricted Stock Units | Chief Executive Officer | 2018 if target is not met
Weighted Average Grant Date Fair Value
Percentage of target shares to vest	33.33%
Performance-based Restricted Stock Units | December 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target shares granted			260,000
Weighted Average Grant Date Fair Value
Maximum Number of Shares to be Awarded			780,000
Performance-based Restricted Stock Units | December 31, 2017 if target is met
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target shares granted			1,390,000
Weighted Average Grant Date Fair Value
Maximum Number of Shares to be Awarded			1,390,000
Performance-based Restricted Stock Units | Three annual installments beginning on September 4, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target shares granted			70,000
Weighted Average Grant Date Fair Value
Maximum Number of Shares to be Awarded			70,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense | $				$ 6,600,000	7,000,000	$ 8,300,000
Weighted Average Exercise Price
Total unrecognized stock-based compensation expense | $		$ 9,200,000		$ 9,200,000
Weighted Average Remaining Vesting Period (in years)				2 years 5 months 27 days
Restricted Stock Units and Deferred Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense | $				$ 2,200,000	$ 2,900,000	$ 5,600,000
Shares
Beginning balance (in shares)			100,000	100,000	200,000
Granted (in shares)				100,000	0
Vested (in shares)				(100,000)	(100,000)
Forfeited/Terminated (in shares)				0	0
Ending balance (in shares)		100,000		100,000	100,000	200,000
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares			$ 50.41	$ 50.41	$ 47.00
Granted (in dollars per share) | $ / shares				70.44	54.56
Vested (in dollars per share) | $ / shares				58.73	44.47
Forfeited/Terminated (in dollars per share) | $ / shares				49.63	46.77
Ending balance (in dollars per share) | $ / shares		$ 66.41		$ 66.41	$ 50.41	$ 47.00
Weighted Average Exercise Price
Aggregate intrinsic value of units outstanding | $		$ 11,900,000		$ 11,900,000
Aggregate intrinsic value of RSUs and DSUs vested during the period | $				4,000,000
Total unrecognized stock-based compensation expense | $		$ 7,900,000		$ 7,900,000
Weighted Average Remaining Vesting Period (in years)				2 years 7 months 2 days
Unvested Stock Options
Shares
Beginning balance (in shares)			500,000	500,000	600,000
Granted (in shares)				800,000	200,000
Vested (in shares)				(400,000)	(300,000)
Forfeited (in shares)				(100,000)	0
Ending balance (in shares)		800,000		800,000	500,000	600,000
Weighted Average Grant Date Fair Value
Beginning of period weighted average grant date fair value (dollars per share) | $ / shares			$ 46.23	$ 46.23	$ 42.16
Granted weighted average grant date fair value (dollars per share) | $ / shares				63.55	52.08
Vested weighted average grant date fair value (dollars per share) | $ / shares				44.25	42.46
Forfeited weighted average grant date fair value (dollars per share) | $ / shares				57.12	50.53
Ending of period weighted average grant date fair value (dollars per share) | $ / shares		$ 62.34		$ 62.34	$ 46.23	$ 42.16
Long Term Incentive Plan 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of common stock shares to be issued (in shares)							5,100,000
Amended And Restated 2003 Equity Incentive Plan | Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of common stock shares to be issued (in shares)								11,500,000
Aspirational Plan | Performance-based Restricted Stock Units | Chief Executive Officer
Shares
Granted (in shares)	620,000
Weighted Average Grant Date Fair Value
Minimum Adjusted EBITDA (more than) | $	$ 650,000,000
Unrecognized compensation expense | $	$ 44,500,000	$ 56,600,000		$ 56,600,000
Aspirational Plan | Performance-based Restricted Stock Units | Executive Officer
Shares
Granted (in shares)		770,000
Stock Option Plans 2002, 2003 and 2013
Shares
Beginning balance (in shares)			2,800,000	2,800,000	2,800,000
Granted (in shares)				800,000	200,000
Released (in shares)				(1,400,000)	(200,000)
Forfeited (in shares)				(100,000)	0
Ending balance (in shares)		2,100,000		2,100,000	2,800,000	2,800,000
Options exercisable (in shares)		1,300,000		1,300,000
Weighted Average Exercise Price
Beginning balance weighted average exercise price (dollars per share) | $ / shares			$ 24.18	$ 24.18	$ 21.73
Granted weighted average exercise price (dollars per share) | $ / shares				63.55	52.08
Released weighted average exercise price (in dollars per share) | $ / shares				14.70	20.82
Forfeited weighted average exercise price (dollars per share) | $ / shares				57.12	50.53
Ending balance weighted average exercise price (dollars per share) | $ / shares		$ 42.75		42.75	$ 24.18	$ 21.73
Options exercisable weighted average exercise price (dollars per share) | $ / shares		$ 31.11		$ 31.11
Ending balance weighted average remaining contractual term (in years)				6 years 5 months 19 days
Options exercisable weighted average remaining contractual term (in years)				4 years 10 months 6 days
Ending balance aggregate intrinsic value | $		$ 53,400,000		$ 53,400,000
Options exercisable aggregate intrinsic value | $		$ 52,000,000		$ 52,000,000

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.

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The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Net number of non-option equity instruments granted to participants.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Net number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Intrinsic value of equity-based compensation awards vested. Excludes stock and unit options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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