Quarterly report pursuant to Section 13 or 15(d)

Repurchase of Common Stock (Details)

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Repurchase of Common Stock (Details) - USD ($)
 1 Months Ended 3 Months Ended
Jun. 27, 2015
Jun. 27, 2015
Jun. 28, 2014
May. 30, 2015
May. 02, 2015
Jan. 23, 2013
Class of Stock [Line Items]            
Authorized amount           $ 30,000,000
Aggregated number of shares repurchased, shares 2,152,946 2,152,946        
Aggregated shares repurchased, value $ 400,000 $ 400,000 $ 1,000,000      
Total Number of Shares Purchased   30,700 66,556      
Dollar Value of Shares that May Yet Be Purchased Under the Plans $ 4,300,000 $ 4,300,000        
Common Stock [Member]            
Class of Stock [Line Items]            
Total Number of Shares Purchased 30,700 30,700        
Average Price Paid per Share $ 14.35 $ 14.35        
Dollar Value of Shares that May Yet Be Purchased Under the Plans $ 4,300,000 $ 4,300,000   $ 4,700,000 $ 4,700,000  
Publicly Announced Plan [Member] | Common Stock [Member]            
Class of Stock [Line Items]            
Total Number of Shares Purchased 30,700 30,700