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Derivatives and Hedging Activities (Derivative Contracts and Changes in Underlying Value of the Foreign Currency Exposures) (Details) (USD $)
In Thousands, unless otherwise specified
 1 Months Ended 12 Months Ended
Sep. 30, 2011
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
General Discussion of Derivative Instruments and Hedging Activities [Abstract]        
Net foreign exchange derivative contract (gain) loss $ 2,500 $ (733) $ 1,480 $ 2,706
Net foreign currency transaction and remeasurement (gain) loss   701 2,286 (1,741)
Net foreign currency (gain) loss   $ (32) $ 3,766 $ 965