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Stockholders' Equity (Details Textual) (USD $)
In Millions, except Share data, unless otherwise specified
 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Feb. 04, 2009
Stockholders' Equity (Textual) [Abstract]      
Preferred Stock, Shares Authorized 5,000,000 5,000,000  
Preferred Stock, Shares Issued 0 0  
Preferred Stock, Shares Outstanding 0 0  
Purchase of common stock on stock buyback program     3,000,000
Stock buyback program, Authorized amount $ 25.0    
Open market purchase of treasury shares, shares 886,503    
Average price of treasury shares purchased $ 9.17    
Additional purchase of treasury shares, shares 2,113,497    
Common stock shares withheld 52,992 30,154  
Treasury stock, shares 2,141,990 1,417,539