Stock-based Compensation (Details)	12 Months Ended
	Dec. 31, 2016 USD ($) plan $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 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 | $	$ 16,200,000	$ 22,500,000	$ 13,400,000
Fair value assumptions and methodology [Abstract]
Expected volatility range of stock, minimum (in hundredths)		34.00%	56.70%
Expected volatility range of stock, maximum (in hundredths)		36.20%	66.50%
Expected life of option, range in years, minimum		3 years	2 years
Expected life of option, range in years, maximum		5 years	4 years
Risk-free interest rate range, minimum (in hundredths)		0.90%	0.40%
Risk-free interest rate range, maximum (in hundredths)		1.50%	1.40%
Expected dividend yield on stock, minimum (in hundredths)		0.00%	0.60%
Expected dividend yield on stock, maximum (in hundredths)		0.00%	0.70%
Weighted Average Exercise Price
Total intrinsic value of options exercised | $	23,900,000	$ 71,800,000	$ 6,700,000
Total unrecognized stock-based compensation expense | $	$ 31,400,000
Weighted Average Remaining Vesting Period (in years)	2 years 6 months 15 days
Cash received from exercise of stock options | $	$ 15,700,000	$ 20,400,000	$ 4,300,000
Treasury Stock
Shares
Released (in shares)	(600,000)	(1,300,000)	(200,000)
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense | $	$ 5,300,000	$ 6,600,000	$ 7,000,000
Shares
Granted (in shares)	0
Weighted Average Exercise Price
Total unrecognized stock-based compensation expense | $	$ 5,300,000
Weighted Average Remaining Vesting Period (in years)	1 year 6 months 4 days
Performance-based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense | $	$ 3,900,000	13,700,000	3,500,000
Revaluation benefit from PRSU Granted | $	$ 3,800,000	$ 0	$ 3,000,000
Shares
Beginning balance (in shares)	1,900,000	300,000
Granted (in shares)	200,000	1,700,000
Vested (in shares)	(100,000)	0
Forfeited/Terminated (in shares)	(300,000)	(100,000)
Ending balance (in shares)	1,700,000	1,900,000	300,000
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 68.17	$ 53.45
Granted (in dollars per share) | $ / shares	60.78	70.43
Vested (in dollars per share) | $ / shares	51.87	0.00
Forfeited/Terminated (in dollars per share) | $ / shares	70.43	56.74
Ending balance (in dollars per share) | $ / shares	$ 68.02	$ 68.17	$ 53.45
Outstanding intrinsic value | $	$ 121,200,000
Weighted Average Exercise Price
Total unrecognized stock-based compensation expense | $	$ 14,200,000
Weighted Average Remaining Vesting Period (in years)	2 years 6 months 22 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%
Performance-based Restricted Stock Units | Treasury Stock
Weighted Average Grant Date Fair Value
Grant date intrinsic value | $	$ 5,600,000	$ 0	$ 1,400,000
Performance period (in years)	2 years		1 year
Percentage of stock units released	79.00%		100.00%
Maximum payout (percent)	200.00%
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 if target is met
Weighted Average Grant Date Fair Value
Number of Shares Granted	100,000
Maximum Number of Shares to be Awarded	100,000
Performance-based Restricted Stock Units | Five annual installments beginning on each applicable grant date
Weighted Average Grant Date Fair Value
Number of Shares Granted	100,000
Maximum Number of Shares to be Awarded	100,000
Restricted Stock Units and Deferred Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense | $	$ 7,000,000	$ 2,200,000	$ 2,900,000
Shares
Beginning balance (in shares)	100,000	100,000
Granted (in shares)	300,000	100,000
Vested (in shares)	0	(100,000)
Forfeited/Terminated (in shares)	0	0
Ending balance (in shares)	400,000	100,000	100,000
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 66.41	$ 50.41
Granted (in dollars per share) | $ / shares	53.77	70.44
Vested (in dollars per share) | $ / shares	60.17	58.73
Forfeited/Terminated (in dollars per share) | $ / shares	53.45	49.63
Ending balance (in dollars per share) | $ / shares	$ 59.37	$ 66.41	$ 50.41
Weighted Average Exercise Price
Aggregate intrinsic value of units outstanding | $	$ 27,100,000
Aggregate intrinsic value of RSUs and DSUs vested during the period | $	700,000
Total unrecognized stock-based compensation expense | $	$ 11,900,000
Weighted Average Remaining Vesting Period (in years)	2 years 11 months 19 days
Unvested Stock Options
Shares
Beginning balance (in shares)	800,000	500,000
Granted (in shares)	0	800,000
Vested (in shares)	(300,000)	(400,000)
Forfeited (in shares)	0	(100,000)
Ending balance (in shares)	500,000	800,000	500,000
Weighted Average Grant Date Fair Value
Beginning of period weighted average grant date fair value (dollars per share) | $ / shares	$ 62.34	$ 46.23
Granted weighted average grant date fair value (dollars per share) | $ / shares	0.00	63.55
Vested weighted average grant date fair value (dollars per share) | $ / shares	61.28	44.25
Forfeited weighted average grant date fair value (dollars per share) | $ / shares	58.37	57.12
Ending of period weighted average grant date fair value (dollars per share) | $ / shares	$ 63.09	$ 62.34	$ 46.23
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 Option
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
Weighted Average Grant Date Fair Value
Minimum Adjusted EBITDA (more than) | $		$ 650,000,000
Unrecognized compensation expense | $	$ 4,400,000	$ 101,100,000
Aspirational Plan | Performance-based Restricted Stock Units | Executive Officer
Shares
Granted (in shares)	72,000	1,390,000
Stock Option Plans 2002, 2003 and 2013
Shares
Beginning balance (in shares)	2,100,000	2,800,000
Granted (in shares)	0	800,000
Released (in shares)	(600,000)	(1,400,000)
Forfeited (in shares)	0	(100,000)
Ending balance (in shares)	1,500,000	2,100,000	2,800,000
Options exercisable (in shares)	1,000,000
Weighted Average Exercise Price
Beginning balance weighted average exercise price (dollars per share) | $ / shares	$ 42.75	$ 24.18
Granted weighted average exercise price (dollars per share) | $ / shares	0.00	63.55
Released weighted average exercise price (in dollars per share) | $ / shares	24.72	14.70
Forfeited weighted average exercise price (dollars per share) | $ / shares	58.37	57.12
Ending balance weighted average exercise price (dollars per share) | $ / shares	50.46	$ 42.75	$ 24.18
Options exercisable weighted average exercise price (dollars per share) | $ / shares	$ 44.45
Ending balance weighted average remaining contractual term (in years)	6 years 8 months 16 days
Options exercisable weighted average remaining contractual term (in years)	5 years 11 months 23 days
Ending balance aggregate intrinsic value | $	$ 19,100,000
Options exercisable aggregate intrinsic value | $	$ 23,600,000