Stock-Based Employee Compensation (Summary Of Stock Option Activity) (Details) $ / shares in Units, $ in Thousands	8 Months Ended
	Sep. 08, 2015 USD ($) $ / shares shares
Stock-Based Employee Compensation [Abstract]
Outstanding at beginning of year, Shares	1,429,000
Exercised, Shares	(10,650)
Forfeited, Shares	(114,125)
Outstanding at end of period, Shares	1,304,225
Options exercisable at end of period, Shares	783,725
Outstanding at beginning of year, Weighted average exercise price | $ / shares	$ 17.45
Exercised, Weighted average exercise price | $ / shares	14.01
Forfeited, Weighted average exercise price | $ / shares	18.25
Outstanding at end of period, Weighted average exercise price | $ / shares	17.41
Options exercisable at end of period, Weighted average exercise price | $ / shares	$ 16.62
Outstanding at end of period, Weighted average Remaining Contractual Term	7 years 6 months
Options exercisable at end of period, Weighted average Remaining Contractual Term	7 years 4 months 24 days
Outstanding at end of period, Aggregate Intrinsic Value | $	$ 421
Options exercisable at end of period, Aggregate Intrinsic Value | $	$ 298