Long-Term Debt (Schedule Of Aggregate Maturities For Debt Outstanding) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Long-Term Debt, Other Disclosure [Abstract]
Foreign currency (loss) gain on intercompany loans (Note 6)	$ (2,907)	$ (2,682)	$ 8,282
Long-Term Debt, Maturity, Year One	69,930
2022	676,010
2023	643,789
2024	851,407
2025	4,834
Thereafter	579,679
Long-term Debt	2,825,649	2,807,046
Interest Expense, Debt	153,000	148,200	151,400
Amortization of Financing Costs	$ 6,700	$ 5,900	$ 4,900