Incentive Plans and Stock-Based Compensation - Restricted Stock Unit Awards with Performance Conditions Compensation Expense (Details) - Restricted Stock Unit Awards with Performance Conditions [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 27, 2016	Aug. 29, 2015	Aug. 27, 2016	Aug. 29, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 0	$ (709)	$ 0	$ 218
Deferred tax benefits	0	258	0	(79)
Excess tax (shortfall) benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements	0	0	0	0
Fair value of restricted stock unit awards on date of grant	0	0	0	5,857
Fair value of restricted stock unit awards vested	$ 0	$ 0	$ 0	$ 0