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Supplemental Financial Information (Accrued Expense and Other Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
Oct. 01, 2013
Jan. 01, 2013
Supplemental Financial Information [Abstract]    
Gift card liability $ 1,633 $ 2,182
Occupancy related 1,302 1,264
Utilities 1,319 1,002
Other accrued expenses 3,360 2,801
Accrued expenses and other current liabilities $ 7,614 $ 7,249