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Comprehensive Income (Accumulated Other Comprehensive Income (Loss)) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Jun. 30, 2011
Comprehensive Income [Abstract]    
Currency translation adjustment $ (9,557) $ 3,768
Unrealized gain (loss) on fair value of interest rate swap   (139)
Accumulated other comprehensive income $ (9,557) $ 3,629