Derivative Financial Instruments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Oct. 30, 2015
Debt Instrument [Line Items]
Gain upon settlement of cash flow hedges (less than $0.1 million)	$ 100,000	$ 100,000	$ 100,000
Gain related to cash flow hedges, foreign currency translation, and derivative transactions (less than $0.1 million)	(54,900,000)	$ (48,000,000)
2015 Interest Rate Swap
Debt Instrument [Line Items]
Notional amount				$ 262,500,000
Derivative fixed interest rate				1.46%
Cash Flow Hedging
Debt Instrument [Line Items]
Gain related to cash flow hedges, foreign currency translation, and derivative transactions (less than $0.1 million)	$ 100,000
2015 Credit Facility
Debt Instrument [Line Items]
Amount of hedged item				$ 262,500,000
Credit facility borrowing capacity				$ 350,000,000