Stockholders' Equity (Details) - USD ($)	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Common stock shares authorized (in shares)	300,000,000	300,000,000
Common stock par or stated value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock authorized shares (in shares)	10,000
Preferred stock par or stated value (in dollars per share)	$ 0.01
Common stock, voting rights per share held	1
Treasury stock sold (in shares)	69,686
Proceeds from issuance of treasury shares	$ 5,000,000
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(55,700,000)
Other comprehensive income:
Foreign currency translation adjustments	(61,400,000)	$ (38,400,000)	$ (10,600,000)
Tax benefit (expense)	(125,400,000)	(64,900,000)	(49,100,000)
Total other comprehensive income (loss)	(54,400,000)	(42,000,000)	(6,100,000)
Balance at end of period	(110,100,000)	(55,700,000)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(54,000,000)	(15,600,000)	(5,000,000)
Other comprehensive income:
Foreign currency translation adjustments	(61,400,000)	(38,400,000)	(13,300,000)
Tax benefit (expense)	0	0	2,700,000	$ (2,700,000)
Balance at end of period	(115,400,000)	(54,000,000)	(15,600,000)	(5,000,000)
Interest Rate Swap Agreement
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(700,000)	(1,400,000)	(2,700,000)
Other comprehensive income:
Net change from period revaluations:	3,100,000	3,000,000	5,200,000
Tax benefit (expense)	(1,200,000)	(1,200,000)	(1,500,000)
Total other comprehensive income (loss) before reclassifications, net of tax	1,900,000	1,800,000	3,700,000
Total amount reclassified from accumulated other comprehensive income (loss), net of tax	(1,200,000)	(1,100,000)	(2,400,000)
Total other comprehensive income (loss)	700,000	700,000	1,300,000
Balance at end of period	0	(700,000)	(1,400,000)	(2,700,000)
Interest Rate Swap Agreement \| Reclassification out of Accumulated Other Comprehensive Income
Other comprehensive income:
Tax benefit (expense)	700,000	800,000	800,000
Net amount reclassified to earnings	(1,900,000)	(1,900,000)	(3,200,000)
Pension Benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(2,400,000)	3,200,000	0
Other comprehensive income:
Net change from period revaluations:	200,000	(9,000,000)	5,200,000
Tax benefit (expense)	0	3,400,000	(2,000,000)
Total other comprehensive income (loss) before reclassifications, net of tax	200,000	(5,600,000)	3,200,000
Total amount reclassified from accumulated other comprehensive income (loss), net of tax	800,000	0	0
Total other comprehensive income (loss)	1,000,000	(5,600,000)	3,200,000
Balance at end of period	(1,400,000)	(2,400,000)	3,200,000	0
Pension Benefits \| Reclassification out of Accumulated Other Comprehensive Income
Other comprehensive income:
Tax benefit (expense)	(500,000)	0	0
Net amount reclassified to earnings	1,300,000	0	0
Foreign Exchange Forward Contracts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	1,300,000	0	0
Other comprehensive income:
Net change from period revaluations:	14,600,000	3,400,000	0
Tax benefit (expense)	(3,800,000)	(900,000)	0
Total other comprehensive income (loss) before reclassifications, net of tax	10,800,000	2,500,000	0
Total amount reclassified from accumulated other comprehensive income (loss), net of tax	(5,500,000)	(1,200,000)	0
Total other comprehensive income (loss)	5,300,000	1,300,000	0
Balance at end of period	6,600,000	1,300,000	0	$ 0
Foreign Exchange Forward Contracts \| Reclassification out of Accumulated Other Comprehensive Income
Other comprehensive income:
Tax benefit (expense)	1,900,000	400,000	0
Net amount reclassified to earnings	$ (7,400,000)	$ (1,600,000)	$ 0

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