XML 52 R42.htm IDEA: XBRL DOCUMENT v3.7.0.1
Derivative Financial Instruments - Gains and Losses on Derivative Instruments (Details) - Designated as hedging instruments - Cash Flow Hedges - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Other Comprehensive Loss    
Amounts of gains and losses on the derivative instruments    
Amount of Gain (Loss) Deferred as a Component of Accumulated Other Comprehensive Loss $ (3,209) $ 965
Cost of goods sold    
Amounts of gains and losses on the derivative instruments    
Amount of Loss Reclassified from Accumulated Other Comprehensive Loss to Costs of Goods Sold $ 533 $ 740