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Weighted Average Common Shares Outstanding-Diluted (Detail)
6 Months Ended
Jun. 30, 2012
Jun. 25, 2011
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive - Weighted Average Common Shares Outstanding 4,727,078 1,489,453
Nonvested restricted common stock
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive - Weighted Average Common Shares Outstanding 2,888,463 554,012
Stock options
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive - Weighted Average Common Shares Outstanding 1,838,615 935,441