|**Incentive Plans and Stock-Based Compensation (Tables)**                                                                                                            | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
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|**Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**                                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Schedule of nonqualified stock option activity                                                                                                                       | The following table summarizes activity for thenine months endedAugust 27, 2016with respect to stock options granted by the Company and includes options granted under the 1994 Incentive Plan, the 2004 Incentive Plan, the 2009 Incentive Plan and the 2014 Incentive Plan:Options GrantedUnder IncentivePlansWeightedAverageExercise PriceOutstanding at beginning of year2,422,538$48.46Granted296,500$46.45Exercised(709,312)$41.67Surrendered(54,348)$54.02Outstanding at end of period1,955,378$50.47Exercisable at end of period1,267,125$48.42                                                                                                                                                                                                                                                                   
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|                                                                                                                                                                     | Options GrantedUnder IncentivePlans                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Outstanding at beginning of year                                                                                                                                     | 2,422,538                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Granted                                                                                                                                                              | 296,500                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Exercised                                                                                                                                                            | (709,312)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Surrendered                                                                                                                                                          | (54,348)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Outstanding at end of period                                                                                                                                         | 1,955,378                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|                                                                                                                                                                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Exercisable at end of period                                                                                                                                         | 1,267,125                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Schedule of outstanding and exercisable options by exercise price                                                                                                    | The following table summarizes information about the Company’s outstanding and exercisable options atAugust 27, 2016:Options OutstandingOptions ExercisableRange of ExercisePricesNumberWeightedAverageExercisePriceIntrinsic ValueWeightedAverageRemaining Lifein YearsNumberWeightedAverageExercisePriceIntrinsic ValueWeightedAverageRemaining Lifein Years$25.31 - $36.48222,557$32.70$7,2542.39222,557$32.70$7,2542.39$42.86 - $57.741,041,420$46.4219,6496.71692,134$46.5013,0035.54$61.57 - $63.22691,401$62.282,0837.76352,434$62.131,1147.661,955,378$50.47$28,9866.591,267,125$48.42$21,3715.58                                                                                                                                                                                                                 
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|Range of ExercisePrices                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|$25.31 - $36.48                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|$42.86 - $57.74                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|$61.57 - $63.22                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
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|Schedule of Black-Scholes option pricing model on options granted                                                                                                    | The fair value of each option grant is estimated on the date of grant using the Black-Scholes option pricing model with the following weighted average assumptions by grant year:Nine Months EndedAugust 27, 2016August 29, 2015Weighted average fair value per option at the date of grant for options granted$7.23$10.26Risk-free interest rate1.46%1.31%Expected dividend yield1.89%1.27%Expected volatility factor20.40%19.50%Expected option term in years5.05.0                                                                                                                                                                                                                                                                                                                                                     
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|Weighted average fair value per option at the date of grant for options granted                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Risk-free interest rate                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Expected dividend yield                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Expected volatility factor                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Expected option term in years                                                                                                                                        |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Restricted Stock Units (RSUs) [Member]                                                                                                                               |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|**Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**                                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Schedule of share-based compensation costs                                                                                                                           | The following table summarizes information related to restricted stock unit awards during thethree and ninemonths endedAugust 27, 2016andAugust 29, 2015:Quarter EndedNine Months EndedAugust 27, 2016August 29, 2015August 27, 2016August 29, 2015Pre-tax compensation expense$325$427$1,598$2,050Deferred tax benefits(118)(155)(581)(745)Excess tax (shortfall) benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements44(106)215Fair value of restricted stock unit awards on date of grant—252,9543,208Fair value of restricted stock unit awards vested581541,5901,132                                                                                                                                                        
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|Pre-tax compensation expense                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Deferred tax benefits                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Excess tax (shortfall) benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Fair value of restricted stock unit awards on date of grant                                                                                                          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Fair value of restricted stock unit awards vested                                                                                                                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Schedule of restricted stock unit awards                                                                                                                             | The following table summarizes activity for thenine months endedAugust 27, 2016with respect to the restricted stock unit awards:UnitsWeightedAverageGrant DateFair ValueNonvested at beginning of year71,592$60.09Granted63,605$46.45Vested(28,613)$55.57Surrendered(3,919)$34.88Nonvested at end of period102,665$52.51                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
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|                                                                                                                                                                     | Units                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Nonvested at beginning of year                                                                                                                                       | 71,592                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Granted                                                                                                                                                              | 63,605                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Vested                                                                                                                                                               | (28,613)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|Surrendered                                                                                                                                                          | (3,919                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Nonvested at end of period                                                                                                                                           | 102,665                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Restricted Stock Unit Awards with Performance Conditions [Member]                                                                                                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|**Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**                                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Schedule of share-based compensation costs                                                                                                                           | The following table summarizes information related to restricted stock unit awards with performance conditions during thethree and ninemonths endedAugust 27, 2016andAugust 29, 2015:Quarter EndedNine Months EndedAugust 27, 2016August 29, 2015August 27, 2016August 29, 2015Pre-tax compensation expense$—$(709)$—$218Deferred tax benefits—258—(79)Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements————Fair value of restricted stock unit awards on date of grant———5,857Fair value of restricted stock unit awards vested————                                                                                                                                                                               
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|Pre-tax compensation expense                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Deferred tax benefits                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Fair value of restricted stock unit awards on date of grant                                                                                                          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Fair value of restricted stock unit awards vested                                                                                                                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Schedule of restricted stock unit awards                                                                                                                             | The following table summarizes activity for thenine months endedAugust 27, 2016with respect to the restricted stock unit awards with performance conditions:UnitsWeightedAverageGrant DateFair ValueNonvested at beginning of year92,650$63.22Granted—$—Vested—$—Surrendered(13,836)$63.22Nonvested at end of period78,814$63.22                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
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|                                                                                                                                                                     | Units                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Nonvested at beginning of year                                                                                                                                       | 92,650                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Granted                                                                                                                                                              | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Vested                                                                                                                                                               | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Surrendered                                                                                                                                                          | (13,836                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|Nonvested at end of period                                                                                                                                           | 78,814                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
|Employee Stock Option [Member]                                                                                                                                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|**Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**                                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Schedule of share-based compensation costs                                                                                                                           | The following table summarizes information related to stock options and stock option exercises during thethree and ninemonths endedAugust 27, 2016andAugust 29, 2015:Quarter EndedNine Months EndedAugust 27, 2016August 29, 2015August 27, 2016August 29, 2015Pre-tax compensation expense$522$896$2,346$4,460Deferred tax benefits(190)(326)(853)(1,622)Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements9811391,804923Fair value of stock options on date of grant——2,1443,196Total intrinsic value of stock options exercised5,99153512,2303,699Cash received upon exercise of stock options13,83071029,2925,306Addition to capital in excess of par value due to exercise of stock options14,49183030,3926,079
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|Pre-tax compensation expense                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Deferred tax benefits                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated condensed financial statements             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Fair value of stock options on date of grant                                                                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Total intrinsic value of stock options exercised                                                                                                                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Cash received upon exercise of stock options                                                                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Addition to capital in excess of par value due to exercise of stock options                                                                                          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Director [Member] | Restricted Stock [Member]                                                                                                                        |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|**Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**                                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Schedule of share-based compensation costs                                                                                                                           | The following table summarizes information related to directors' stock compensation during thethree and ninemonths endedAugust 27, 2016andAugust 29, 2015, respectively:Quarter EndedNine Months EndedAugust 27, 2016August 29, 2015August 27, 2016August 29, 2015Pre-tax compensation expense$32$114$1,182$994Shares of Company common stock issued under the plans—1,90921,30615,261                                                                                                                                                                                                                                                                                                                                                                                                                                    
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|Pre-tax compensation expense                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Shares of Company common stock issued under the plans                                                                                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           

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