Share Repurchase Program (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Apr. 30, 2024	Apr. 30, 2024	Apr. 30, 2023	Jul. 31, 2023	Mar. 07, 2023	Dec. 04, 2015	Jul. 16, 2008	Mar. 09, 2006
Accelerated Share Repurchases [Line Items]
Number of shares authorized to repurchase	10,000,000	10,000,000						3,000,000
Additional number of shares authorized to repurchase					2,500,000	1,500,000	3,000,000
Number of shares repurchased since inception	9,231,090	9,231,090	8,243,000	8,648,000
Value of stock repurchased since inception	$ 1,104,500	$ 1,104,500
Remaining shares available for repurchase under existing program	768,910	768,910
Treasury Stock, Shares, Acquired	345,732	582,788
Payments for Repurchase of Common Stock	$ 75,000	$ 125,000	$ 400,000