Incentive Plans and Stock-Based Compensation - Stock Options Compensation Expense (Details) - Employee and Non-Employee Stock Options [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 29, 2015	Aug. 30, 2014	Aug. 29, 2015	Aug. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 896	$ 925	$ 4,460	$ 2,957
Deferred tax benefits	(326)	(330)	(1,622)	(1,053)
Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements	139	354	923	604
Fair value of stock options on date of grant	0	0	3,196	4,650
Total intrinsic value of stock options exercised	535	1,253	3,699	2,409
Cash received upon exercise of stock options	710	1,430	5,306	3,254
Addition to capital in excess of par value due to exercise of stock options	$ 830	$ 1,740	$ 6,079	$ 3,756