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Fair Value of Financial Instruments (Fair Value, Business Acquisition, Liability for Contingent Consideration) (Details) (USD $)
In Thousands
12 Months Ended
Jun. 30, 2011
Fair Value of Financial Instruments  
Fair value at beginning of period  
Issuance of contingent consideration 23,952
Change in valuation (128)
Fluctuation due to foreign currency exchange (30)
Fair value at end of period $ 23,794