Consolidated Balance Sheets Parenthetical (USD $)	Mar. 23, 2013	Dec. 29, 2012
Common stock, shares authorized	22,000,000	22,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares issued	18,152,691	18,068,852
Common stock, shares outstanding	18,152,691	18,068,852