XML 73 R59.htm IDEA: XBRL DOCUMENT v3.19.1
Financial Instruments And Risk Management (Balance Sheet Classification And Fair Value Of Derivative Instruments) (Details) - Currency Forward Contracts [Member] - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Mar. 31, 2018
Prepaid Expenses And Other Current Assets [Member] | Derivative Instruments Designated As Cash Flow Hedges [Member]      
Derivatives, Fair Value [Line Items]      
Fair value of derivative assets $ 14,366 $ 11,818 $ 998
Prepaid Expenses And Other Current Assets [Member] | Derivative Instruments Not Designated As Cash Flow Hedges [Member]      
Derivatives, Fair Value [Line Items]      
Fair value of derivative assets 971 1,797 1,121
Other Noncurrent Assets [Member] | Derivative Instruments Designated As Cash Flow Hedges [Member]      
Derivatives, Fair Value [Line Items]      
Fair value of derivative assets 10,014 9,922 2,492
Accrued Liabilities [Member] | Derivative Instruments Designated As Cash Flow Hedges [Member]      
Derivatives, Fair Value [Line Items]      
Fair value of derivative liabilities 149 47 11,017
Accrued Liabilities [Member] | Derivative Instruments Not Designated As Cash Flow Hedges [Member]      
Derivatives, Fair Value [Line Items]      
Fair value of derivative liabilities 349 970 355
Other Long Term Liabilities [Member] | Derivative Instruments Designated As Cash Flow Hedges [Member]      
Derivatives, Fair Value [Line Items]      
Fair value of derivative liabilities $ 0 $ 1 $ 7,294