Incentive Plans and Stock-Based Compensation (Details 1) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2014	Jun. 01, 2013	May 31, 2014	Jun. 01, 2013
Employee and Non-Employee Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 921	$ 774	$ 2,032	$ 1,661
Deferred tax benefits	(328)	(275)	(723)	(591)
Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements	88	1,168	250	2,899
Fair value of stock options on date of grant	96	0	4,650	3,836
Total intrinsic value of stock options exercised	398	3,594	1,156	8,880
Cash received upon exercise of stock options	582	3,859	1,824	7,184
Addition to capital in excess of par value due to exercise of stock options	653	4,887	2,016	8,813
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	$ 9.96
Risk-free interest rate			1.55%	1.19%
Expected dividend yield			1.10%	1.19%
Expected volatility factor			21.38%	25.81%
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	$ 880	$ 460	$ 880	$ 480
Shares of Company common stock issued under the plans	15,400	18,256	15,400	18,256