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Derivative Instruments and Hedging Activities (Narrative) (Details)
¥ in Thousands, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended 21 Months Ended
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Sep. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
Jul. 20, 2016
CNY (¥)
Jun. 30, 2016
CNY (¥)
Jun. 30, 2016
USD ($)
Net unrecognized losses on terminated derivative instruments expected to be reclassified to earnings     $ 72            
Term of gain or loss recognition in interest expense on terminated derivatives recorded in OCI     12 months            
Gain (loss) on foreign currency transaction designated as a hedge of a net investment in a foreign subsidiary $ 395 $ 11 $ 912 $ 11          
Intercompany Loan [Member]                  
Amount of Gain (Loss) Recognized in Accumulated OCI on Derivative     912   $ 572 $ 1,484      
Gain (loss) on foreign currency transaction designated as a hedge of a net investment in a foreign subsidiary     912 11          
Value of Net Investment Hedging Instruments Used | ¥             ¥ 160,000 ¥ 160,000  
Interest Expense [Member] | Derivatives in Cash Flow Hedging Relationships [Member]                  
Amount of Gain (Loss) Recognized in Accumulated OCI on Derivative $ 0 $ 0 $ 0 $ 0          
Total Accumulated Other Comprehensive (Loss) Earnings [Member]                  
Unrecognized gains (loss)         $ 269       $ 308