Income Taxes (Components Of Provision (Benefit) For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Income Tax Disclosure [Abstract]
Current federal	$ 17,473	$ 62,974	$ 20,387
Current state	6,759	13,938	4,935
Current Foreign Tax Expense (Benefit)	40,117	21,302	(8,460)
Total current	64,349	98,214	16,862
Deferred federal	23,813	(6,910)	(16,289)
Deferred state	1,372	1,966	(2,423)
Deferred Foreign Income Tax Expense (Benefit)	(1,120)	(4,446)	2,576
Deferred Income Tax Expense (Benefit)	24,065	(9,390)	(16,136)
Provision for income taxes	$ 88,414	$ 88,824	$ 726