Income Taxes (Reconciliation Of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Income Tax Disclosure [Abstract]
Unrecognized Tax Benefits	$ 51,680	$ 62,909	$ 67,857	$ 70,299
Additions for tax positions of prior years	11,025	11,179	16,754
Lapse of statute of limitations	$ (22,254)	$ (16,127)	$ (19,196)