XML 53 R38.htm IDEA: XBRL DOCUMENT v3.10.0.1
Summary of Significant Accounting Policies (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Oct. 27, 2017
USD ($)
$ / shares
Aug. 03, 2018
USD ($)
Segment
Jul. 28, 2017
USD ($)
Jul. 29, 2016
USD ($)
Inventories [Abstract]        
Percentage of retail inventories valued using the retail inventory method   80.00%    
Property and equipment [Abstract]        
Total depreciation expense   $ 93,266 $ 85,912 $ 77,816
Depreciation expense related to store operations [1]   86,913 79,214 71,382
Derivative instruments and hedging activities [Abstract]        
Credit exposure to the counterparty if the company owes the counterparty   $ 0    
Segment reporting [Abstract]        
Number of reportable operating segments | Segment   1    
Insurance [Abstract]        
Threshold amount for workers' compensation insurance Level 1   $ 250 250 250
Threshold amount for workers' compensation insurance Level 2   750 750 500
Threshold amount for workers' compensation insurance Level 3   1,000 1,000 1,000
Threshold amount for general liability insurance   500    
Advertising [Abstract]        
Advertising expense   $ 83,448 $ 83,623 $ 79,409
Buildings and Improvements [Member] | Minimum [Member]        
Property and equipment [Abstract]        
Estimated useful life   30 years    
Buildings and Improvements [Member] | Maximum [Member]        
Property and equipment [Abstract]        
Estimated useful life   45 years    
Buildings under Capital Leases [Member] | Minimum [Member]        
Property and equipment [Abstract]        
Estimated useful life   15 years    
Buildings under Capital Leases [Member] | Maximum [Member]        
Property and equipment [Abstract]        
Estimated useful life   25 years    
Restaurant and Other Equipment [Member] | Minimum [Member]        
Property and equipment [Abstract]        
Estimated useful life   2 years    
Restaurant and Other Equipment [Member] | Maximum [Member]        
Property and equipment [Abstract]        
Estimated useful life   10 years    
Leasehold Improvements [Member] | Minimum [Member]        
Property and equipment [Abstract]        
Estimated useful life   1 year    
Leasehold Improvements [Member] | Maximum [Member]        
Property and equipment [Abstract]        
Estimated useful life   35 years    
Leases [Member] | Maximum [Member]        
Property and equipment [Abstract]        
Estimated useful life   35 years    
Adjustments for New Accounting Pronouncement [Member]        
Share-Based Payments [Abstract]        
Impact of recognizing excess tax benefits $ 759      
Impact of recognizing excess tax benefits per diluted share (in dollars per share) | $ / shares $ 0.03      
[1] Depreciation expense related to store operations is included in other store operating expenses in the Consolidated Statements of Income.