Incentive Plans and Stock-Based Compensation - Restricted Stock Unit Awards Compensation Expense (Details) - Restricted Stock Units (RSUs) [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 | $ 325 | $ 427 | $ 1,598 | $ 2,050 |
| Deferred tax benefits | (118) | (155) | (581) | (745) |
| Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements | 4 | 4 | (106) | 215 |
| Fair value of restricted stock unit awards on date of grant | 0 | 25 | 2,954 | 3,208 |
| Fair value of restricted stock unit awards vested | $ 58 | $ 154 | $ 1,590 | $ 1,132 |