Incentive Plans and Stock-Based Compensation (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 30, 2013	Dec. 01, 2012	Dec. 03, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated financial statements		$ (2,007)	$ (5,100)
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	3,212	4,997	4,397
Deferred tax benefits	(1,153)	(1,836)	(1,616)
Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated financial statements	(7,231)	(2,007)	(5,100)
Fair value of options granted	3,868	6,407	5,803
Total intrinsic value of options exercised	29,384	8,793	16,732
Cash received upon exercise of options	33,778	5,170	7,233
Addition to capital in excess of par value due to exercise of stock options	38,903	5,440	8,045
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	888	1,229	1,079
Deferred tax benefits	(319)	(451)	(396)
Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated financial statements	1,280	(88)	3
Fair value of restricted stock unit awards on date of grant	1,068	1,489	1,263
Fair value of restricted stock unit awards vested	$ 621	$ 2,359	$ 905