Annual report pursuant to Section 13 and 15(d)

Derivative Instruments and Hedging Transactions (Exchange Rate Management) (Details)

v3.10.0.1
Derivative Instruments and Hedging Transactions (Exchange Rate Management) (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Derivative [Line Items]    
Derivative open positions expected settlement period 2 days  
Unrealized gain on foreign exchange $ 30 $ 60
Foreign Exchange    
Derivative [Line Items]    
Open inventory sale commitments 4,130 2,213
Forward contracts    
Derivative [Line Items]    
Open inventory sale commitments $ 3,026 $ 2,235
Futures and Forward Contract    
Derivative [Line Items]    
Derivative open positions expected settlement period 30 days