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Incentive Plans and Stock-Based Compensation (Details 5) (Restricted Stock Units (RSUs) [Member], USD $)
12 Months Ended
Nov. 30, 2013
Dec. 01, 2012
Dec. 03, 2011
Restricted Stock Units (RSUs) [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]      
Nonvested at beginning of year (in shares) 39,945 71,545 70,894
Granted (in shares) 23,624 29,839 29,467
Vested (in shares) (15,525) (60,320) (26,937)
Surrendered (in shares) 0 (1,119) (1,879)
Nonvested at end of period (in shares) 48,044 39,945 71,545
Weighted Average Grant Date Fair Value - Restricted Stock Unit Awards [Roll Forward]      
Weighted Average Grant Date Fair Value - Beginning of Year (in dollars per share) $ 43.16 $ 36.95 $ 33.23
Weighted average grant date fair value - granted (in dollars per share) $ 45.19 $ 49.91 $ 42.86
Weighted Average Grant Date Fair Value - Vested (in dollars per share) $ 40.01 $ 39.11 $ 33.61
Weighted Average Grant Date Fair Value - Surrendered (in dollars per share) $ 0.00 $ 44.15 $ 37.18
Weighted Average Grant Date Fair Value - End of Year (in dollars per share) $ 45.18 $ 43.16 $ 36.95