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Common Stock (Details Textual) (USD $)
Jun. 29, 2012
Mar. 31, 2009
Dec. 31, 2008
Common Stock (Textual) [Abstract]      
Common stock authorized by the Board of Directors     2,250,000
Repurchase of common stock   1,200,000  
Maximum percentage of repurchase of common stock   10.00%  
Bank credit agreement to permit share repurchases of common stock   $ 15,000,000  
Common stock closing price $ 25.43    
Common stock shares remaining 133,000