Derivative Instruments, Hedging Activities and Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Designated as hedging instrument
Derivative contracts
Asset Derivatives	$ 676	$ 987
Liability Derivatives	$ 894	166
Designated as hedging instrument | Minimum
Derivative contracts
Period over which gains and losses are reclassified to earnings	10 years
Designated as hedging instrument | Maximum
Derivative contracts
Period over which gains and losses are reclassified to earnings	15 years
Designated as hedging instrument | Foreign currency forward exchange contracts | Other current assets
Derivative contracts
Asset Derivatives	$ 191	473
Designated as hedging instrument | Foreign currency forward exchange contracts | Other current liabilities
Derivative contracts
Liability Derivatives	195	166
Designated as hedging instrument | Cross currency interest rate swaps | Other current assets
Derivative contracts
Asset Derivatives	307	514
Designated as hedging instrument | Cross currency interest rate swaps | Noncurrent liabilities
Derivative contracts
Liability Derivatives	0	0
Designated as hedging instrument | Interest rate swaps | Other current assets
Derivative contracts
Asset Derivatives	0
Designated as hedging instrument | Interest rate swaps | Other current liabilities
Derivative contracts
Liability Derivatives	117
Designated as hedging instrument | Interest rate swaps | Other assets
Derivative contracts
Asset Derivatives	178
Designated as hedging instrument | Interest rate swaps | Other liabilities
Derivative contracts
Liability Derivatives	582
Derivatives Not Designated as Hedging Instruments | Foreign currency forward exchange contracts | Other current assets
Derivative contracts
Asset Derivatives	3,601	4,459
Derivatives Not Designated as Hedging Instruments | Foreign currency forward exchange contracts | Other current liabilities
Derivative contracts
Liability Derivatives	$ 996	$ 3,372