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Incentive Plans and Stock-Based Compensation (Details 4) (Restricted Stock Units (RSUs) [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
May 31, 2014
Jun. 01, 2013
May 31, 2014
Jun. 01, 2013
Restricted Stock Units (RSUs) [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Pre-tax compensation expense $ 338 $ 210 $ 742 $ 469
Deferred tax benefits (120) (75) (264) (167)
Excess tax benefits associated with tax deductions under the amount of compensation expense recognized in the consolidated condensed financial statements 0 1,258 101 1,354
Fair value of restricted stock unit awards on date of grant 58 0 1,524 1,068
Fair value of restricted stock unit awards vested $ 0 $ 0 $ 765 $ 621