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Earnings Per Share (Details 1) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Dec. 31, 2011
Shares Repurchased      
Total number of shares Repurchased 423 300  
Prices paid per share, high range $ 15.00 $ 18.53  
Prices paid per share, low range $ 13.85 $ 18.24  
Total Cost of Shares Repurchased $ 6,200 $ 5,512 $ 44,481