Incentive Plans and Stock-Based Compensation - Stock Options Compensation Expense (Details) (Employee and Non-Employee Stock Options [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Feb. 28, 2015	Mar. 01, 2014
Employee and Non-Employee Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 1,848	$ 1,111
Deferred tax benefits	(672)	(395)
Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements	392	161
Fair value of stock options on date of grant	3,196	4,554
Total intrinsic value of stock options exercised	1,751	758
Cash received upon exercise of stock options	3,111	1,242
Addition to capital in excess of par value due to exercise of stock options	$ 3,418	$ 1,363