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Associate Benefit Plans (Narrative) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Sep. 03, 2022
Aug. 28, 2021
Aug. 29, 2020
Aug. 29, 2015
Jan. 14, 2015
Associate Stock Purchase Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Plan shares authorized       1,500 1,150
Shares reserved for issuance under plan 290        
Maximum number of shares available for purchase per qualified associate 5        
Associate purchase price as percent of closing price 90.00%        
Shares purchased by qualified associates 58 57      
Share price $ 74.47 $ 72.87      
Savings Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Company contributions to savings plan $ 9,019 $ 7,952 $ 5,491    
2005 Omnibus Incentive Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Plan shares authorized 5,217        
Shares reserved for issuance under plan 1,176        
Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized share-based compensation cost $ 99        
Unrecognized share-based compensation weighted average period 1 month 6 days        
Vesting period 4 years        
Expiration period 7 years        
Total intrinsic value of options exercised $ 5,855 $ 5,826 $ 2,604    
Performance Share Units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized share-based compensation cost $ 3,686        
Unrecognized share-based compensation weighted average period 1 year 6 months        
Vesting period 3 years        
Performance Share Units [Member] | Minimum [Member] | Vest After Three Year Performance Period [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting percentage 0.00%        
Performance Share Units [Member] | Maximum [Member] | Vest After Three Year Performance Period [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting percentage 200.00%        
Restricted Stock Unit [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized share-based compensation cost $ 23,886        
Unrecognized share-based compensation weighted average period 2 years 4 months 24 days        
$58.90 - $71.33 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Range of exercise prices, lower limit $ 58.90        
Range of exercise prices, upper limit $ 83.21        
Number of options outstanding at September 3, 2022 614        
Weighted average remaining contractual life of options outstanding 2 years 2 months 12 days        
Weighted average exercise price of options outstanding $ 78.96        
Aggregate Intrinsic Value of options outstanding $ 1,121        
Number of options exercisable at September 3, 2022 551        
Weighted average remaining contractual life of options exercisable 2 years 1 month 6 days        
Weighted average exercise price of options exercisable $ 78.47        
Aggregate Intrinsic Value, Options exercisable $ 1,121