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Long-Term Debt Senior Credit Facility (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 12, 2016
Jan. 03, 2016
Dec. 28, 2014
Dec. 29, 2013
Debt Instrument [Line Items]        
Line of Credit Facility, Current Borrowing Capacity   $ 30,000    
Long-term Line of Credit   0    
Letters of Credit Outstanding, Amount   13,400    
Line of Credit Facility, Unused Borrowing Capacity   $ 16,600    
Line of Credit Facility, Interest Rate at Period End   3.50%    
Increase (Decrease) in Restricted Cash   $ 0 $ (20,000) $ 0
Letter of Credit [Member]        
Debt Instrument [Line Items]        
Line of Credit Facility, Current Borrowing Capacity   $ 20,000    
Base Rate [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum   2.00%    
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum   2.75%    
London Interbank Offered Rate (LIBOR) [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum   3.00%    
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum   3.75%    
Subsequent Event [Member]        
Debt Instrument [Line Items]        
Line of Credit Facility, Current Borrowing Capacity $ 55,000      
Line of Credit Facility, Potential Incremental Increases 25,000      
Letters of Credit Outstanding, Amount 13,400      
Line of Credit Facility, Unused Borrowing Capacity $ 41,600      
Line of Credit Facility, Interest Rate at Period End 2.75%      
Subsequent Event [Member] | Letter of Credit [Member]        
Debt Instrument [Line Items]        
Line of Credit Facility, Current Borrowing Capacity $ 20,000      
Subsequent Event [Member] | Base Rate [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum 1.75%      
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum 2.75%      
Subsequent Event [Member] | London Interbank Offered Rate (LIBOR) [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum 2.75%      
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum 3.75%