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Stock-Based Compensation (Details) (USD $)
9 Months Ended 1 Months Ended 8 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Dec. 30, 2012
Apr. 30, 2012
Performance Stock Units [Member]
Dec. 30, 2012
Performance Stock Units [Member]
Dec. 30, 2012
Performance Stock Units [Member]
Dec. 25, 2011
Performance Stock Units [Member]
May 31, 2012
Restricted Stock [Member]
Apr. 30, 2011
Restricted Stock [Member]
Dec. 30, 2012
Restricted Stock [Member]
Dec. 30, 2012
Second Amended and Restated 1994 Stock and Incentive Plan [Member]
Restricted Stock [Member]
Dec. 30, 2012
2012 Grant Year [Member]
Restricted Stock [Member]
Dec. 30, 2012
Selling, General and Administrative Expenses [Member]
Performance Stock Units [Member]
Dec. 30, 2011
Selling, General and Administrative Expenses [Member]
Performance Stock Units [Member]
Dec. 30, 2012
Selling, General and Administrative Expenses [Member]
Performance Stock Units [Member]
Dec. 25, 2011
Selling, General and Administrative Expenses [Member]
Performance Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                            
Non-cash stock-based compensation                     $ 734,000 $ 726,100 $ 1,836,700 $ 2,248,800
Income tax benefit from share-based compensation       2,276,900 471,600                  
Shares earned (in shares)     313,295 313,295                    
Number of additional shares authorized (in shares)       156,200                    
Unrecognized compensation costs     $ 3,000,000 $ 3,000,000       $ 500,000   $ 800,000        
Unrecognized compensation costs, period for recognition 3 years                          
Stock granted (in shares)           20,100 36,000   225,000          
Granted, weighted average fair value at grant date (in dollars per share)       $ 19.31         $ 10.56          
Shares unvested (in shares)     455,995 455,995       90,000            
Vesting Period               4 years 10 years 3 years        
Nonvested PSU shares, Outstanding [Roll Forward]                            
Unvested shares available for issue under outstanding PSUs, beginning of period (in shares)   604,844   604,844                    
Unvested shares available for issue under outstanding PSUs, beginning of period (in dollars per share)   $ 9.81   $ 9.81                    
Granted (in shares)       156,200                    
Granted, weighted average fair value at grant date (in dollars per share)       $ 19.31         $ 10.56          
Vested (in shares)       (288,749)                    
Vested, weighed average fair value at grant date (in dollars per share)       $ 9.04                    
Forfeited/cancelled (in shares)   2,800 13,500 (16,300)                    
Forfeited/cancelled, weighted average fair value at grant date (in dollars per share)       $ 17.86                    
Unvested shares available for issue under outstanding PSUs, end of period (in shares)     455,995 455,995       90,000            
Unvested shares available for issue under outstanding PSUs, end of period (in dollars per share)     $ 13.26 $ 13.26