XML 15 R36.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Debt (Details)
$ in Thousands
6 Months Ended
Jan. 31, 2020
USD ($)
Aug. 02, 2019
USD ($)
Sep. 05, 2018
USD ($)
2019 Revolving Credit Facility [Member]      
Line of Credit Facility [Abstract]      
Line of credit facility, term 5 years    
Maximum borrowing capacity     $ 950,000
Option to increase revolving credit facility     $ 300,000
Outstanding borrowings $ 460,000 $ 400,000  
Amount of standby letters of credit 6,879    
Current borrowing capacity 483,121    
Liquidity requirements 100,000    
Dividends threshold $ 100,000    
Leverage ratio, maximum 3.00    
Multiplier used in calculating aggregate amount of cash dividends on shares of common stock in any fiscal year 4    
2019 Revolving Credit Facility, Swapped Portion [Member]      
Line of Credit Facility [Abstract]      
Outstanding borrowings $ 400,000    
Weighted average interest rates 3.61%    
2019 Revolving Credit Facility, Remaining Portion [Member]      
Line of Credit Facility [Abstract]      
Outstanding borrowings $ 60,000    
Weighted average interest rates 3.13%