Acquisition of Business (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 29, 2012 store	Dec. 31, 2011	Dec. 25, 2010
Acquisition of Business [Abstract]
Business Acquisition, Effective Date of Acquisition	Jun. 11, 2012
Number of stores acquired	3
Revenue recognized from newly acquired business	$ 22,100,000
Purchase price	6,116,000	0	0
Business Combination, Bargain Purchase, Gain Recognized, Amount	$ 414,000	$ 0	$ 0