Derivatives and Hedging Activities (Narrative) (Details) (USD $)	1 Months Ended	3 Months Ended		6 Months Ended
	Sep. 30, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2012
General Discussion of Derivative Instruments and Hedging Activities [Abstract]
Notional amount of foreign currency contracts outstanding		$ 84,900,000		$ 84,900,000		$ 62,300,000
Loss on foreign currency derivative instruments not designated as hedging instruments	$ 2,500,000	$ 105,000	$ (15,000)	$ 1,333,000	$ 1,197,000
Currency devaluation, percentage	11.80%