Long-Term Debt (Schedule Of Aggregate Maturities For Debt Outstanding) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2017
Long-term Debt, Other Disclosures [Abstract]
Sale Leaseback Transaction, Net Proceeds, Financing Activities	$ 11,200
Foreign currency (loss) gain on intercompany loans (Note 5)	(2,854)	$ (8,966)	$ 15,285
Proceeds from Sale of Other Real Estate	6,200
2019	54,666
2020	48,580
2021	48,648
2022	48,719
2023	979,124
Thereafter	400,393
Long-term Debt	1,580,130	1,276,082
Interest Expense, Debt	79,500	63,200	54,100
Amortization of Financing Costs	$ 1,300	$ 1,300	$ 1,100