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Business and Summary of Significant Accounting Policies (Inventories) (Details) (USD $)
In Thousands, unless otherwise specified
Oct. 01, 2013
Jan. 01, 2013
Jan. 03, 2012
Inventory [Line Items]      
Inventories $ 7,082 $ 6,042 $ 4,595
Smallwares Inventory [Member]
     
Inventory [Line Items]      
Inventories   $ 3,800 $ 3,000