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Allocation of Share-based Compensation by Award Type (Details) (Selling, general and administrative expenses, USD $)
In Thousands, unless otherwise specified
11 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 29, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated Share-based Compensation Expense $ 728 $ 842
Stock Options
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated Share-based Compensation Expense 441 532
Equity Awards
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated Share-based Compensation Expense $ 287 $ 310