XML 69 R54.htm IDEA: XBRL DOCUMENT v3.5.0.2
Associate Benefit Plans (Narrative) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Sep. 03, 2016
Aug. 29, 2015
Aug. 30, 2014
Jan. 14, 2015
Jan. 06, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Plan shares authorized 5,217        
Shares reserved for issuance under plan 4,911        
Associate Stock Purchase Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Plan shares authorized   1,500   1,150 800
Shares reserved for issuance under plan 239        
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 64 63      
Average purchase price per share $ 61.87 $ 66.96      
Savings Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Company contributions to savings plan $ 6,594 $ 6,665 $ 6,174    
Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized share-based compensation cost $ 7,088        
Unrecognized share-based compensation weighted average period 2 years 4 months 24 days        
Vesting period 4 years        
Expiration period 7 years        
Total intrinsic value of options exercised $ 3,129 3,390 13,988    
Restricted Share Awards [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Fair value of shares vested 7,518 $ 8,107 $ 14,214    
Unrecognized share-based compensation cost $ 9,284        
Unrecognized share-based compensation weighted average period 2 years 2 months 12 days        
Restricted Stock Units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized share-based compensation cost $ 8,448        
Unrecognized share-based compensation weighted average period 3 years 10 months 24 days