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Share Repurchase Program (Details) - USD ($)
$ in Thousands
3 Months Ended
Oct. 31, 2024
Oct. 31, 2023
Sep. 25, 2024
Jul. 31, 2024
Mar. 07, 2023
Dec. 04, 2015
Jul. 16, 2008
Mar. 09, 2006
Accelerated Share Repurchases [Line Items]                
Number of shares authorized to repurchase 11,100,000             3,000,000
Additional number of shares authorized to repurchase     1,100,000   2,500,000 1,500,000 3,000,000  
Number of shares repurchased since inception 9,484,480 8,885,000   9,370,000        
Value of stock repurchased since inception $ 1,149,400              
Remaining shares available for repurchase under existing program 1,615,520              
Treasury Stock, Shares, Acquired 114,800 237,056            
Payments for Repurchase of Common Stock $ 20,000 $ 50,000