Earnings Per Share (Computation Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		8 Months Ended
	Sep. 08, 2015	Sep. 09, 2014	Sep. 08, 2015	Sep. 09, 2014
Earnings Per Share [Abstract]
Net income (loss)	$ (1,035)	$ 1,785	$ 8,072	$ 11,076
Shares:
Basic weighted average shares outstanding	23,360,744	23,464,306	23,416,502	23,513,905
Dilutive shares		218,202	167,924	240,876
Total Diluted Shares	23,360,744	23,682,508	23,584,426	23,754,781
Basic income (loss) per common share:
Basic earnings (loss) per common share	$ (0.04)	$ 0.08	$ 0.34	$ 0.47
Diluted income (loss) per common share:
Diluted earnings (loss) per common share	$ (0.04)	$ 0.08	$ 0.34	$ 0.47