Selected Quarterly Financial and Earnings Data (Unaudited) (Details) (USD $)	3 Months Ended				12 Months Ended
	Dec. 30, 2012	Sep. 30, 2012	Jan. 01, 2012	Apr. 03, 2011	Dec. 30, 2012
Effect of Fourth Quarter Events [Line Items]
Insurance Recoveries	$ 500,000	$ 200,000	$ 300,000	$ 100,000
Number of Restaurants Acquired					278
Business Acquisition, Purchase Price Adjustments, Rent Expense					186
Business Acquisition, Purchase Price Adjustments, Depreciation Expense					$ 678