Fair Value Measurements - Financial Assets and (Liabilities) Carried at Fair Value (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate contracts	$ 0	$ 0
Foreign currency contract liabilities, current and long-term	0
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value		0
Foreign currency contract liabilities, current and long-term	0	0
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate contracts	4,483	4,991
Foreign currency contract liabilities, current and long-term	(1,064)	(354)
Foreign currency contract liabilities, current and long-term	(1,213)	(464)
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate contracts	0	0
Foreign currency contract liabilities, current and long-term	0
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value		0
Foreign currency contract liabilities, current and long-term	0	0
Estimate of Fair Value, Fair Value Disclosure
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate contracts	4,483	4,991
Foreign currency contract liabilities, current and long-term	(1,064)	(354)
Foreign currency contract liabilities, current and long-term	$ (1,213)	$ (464)