Incentive Plans and Stock-Based Compensation - Stock Options Compensation Expense (Details) - Employee and Non-Employee Stock Options [Member] - USD ($) $ in Thousands	3 Months Ended
	Feb. 27, 2016	Feb. 28, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 1,415	$ 1,848
Deferred tax benefits	(514)	(672)
Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements	35	392
Fair value of stock options on date of grant	2,144	3,196
Total intrinsic value of stock options exercised	380	1,751
Cash received upon exercise of stock options	1,131	3,111
Addition to capital in excess of par value due to exercise of stock options	$ 1,126	$ 3,418