Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Transactions (Narrative) (Details)

v3.8.0.1
Derivative Instruments and Hedging Transactions (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Jun. 30, 2017
Derivative [Line Items]      
Derivative open positions expected settlement period 30 days    
Unrealized loss on foreign exchange $ (101) $ (6)  
Foreign Exchange      
Derivative [Line Items]      
Open inventory sale commitments 3,000   $ 2,200
Forward contracts      
Derivative [Line Items]      
Open inventory sale commitments $ 6,200   $ 2,200