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Equity and Comprehensive Income (Details) (USD $)
Mar. 30, 2013
Jun. 30, 2012
Equity and Comprehensive Income (Textual)    
Accumulated other comprehensive income $ 10,296,000 $ 9,579,000
Unrealized gains on available-for-sale investments net of tax 346,000  
Accumulated currency translation gains included in accumulated other comprehensive income $ 10,000,000