Incentive Plans and Stock-Based Compensation (Details 1) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Aug. 30, 2014	Aug. 31, 2013	Aug. 30, 2014	Aug. 31, 2013
Employee and Non-Employee Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 925	$ 775	$ 2,957	$ 2,436
Deferred tax benefits	(330)	(276)	(1,053)	(867)
Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements	354	3,119	604	6,018
Fair value of stock options on date of grant	0	32	4,650	3,868
Total intrinsic value of stock options exercised	1,253	11,417	2,409	20,297
Cash received upon exercise of stock options	1,430	16,091	3,254	23,275
Addition to capital in excess of par value due to exercise of stock options	1,740	18,707	3,756	27,520
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Weighted average fair value per option at the date of grant for options granted			$ 11.50	$ 9.98
Risk-free interest rate			1.55%	1.19%
Expected dividend yield			1.10%	1.19%
Expected volatility factor			21.38%	25.80%
Expected option term in years			5 years 0 months 0 days	5 years 4 months 24 days
Director [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 0	$ 460	$ 880	$ 960
Shares of Company common stock issued under the plans	0	0	15,400	18,256