XML 49 R37.htm IDEA: XBRL DOCUMENT v3.7.0.1
Derivative Instruments and Hedges (Fair Value Balance Sheet Disclosures) (Details) - Not Designated as Hedging Instrument - Foreign Exchange Contract - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Derivative [Line Items]    
Current derivative assets $ 2,909 $ 682
Current derivative liabilities 3,210 6,878
Noncurrent derivative liabilities $ 114 $ 355