Debt - Components Of Long-Term Debt (Details) - USD ($) $ in Thousands	Apr. 30, 2024	Jul. 31, 2023	Mar. 30, 2021
Schedule of Capitalization, Long-term Debt [Line Items]
Total long-term debt	$ 1,481,439	$ 1,481,615
Unamortized debt issuance and other costs	(18,963)	(22,834)
Less: current portion of long-term debt	2,620	2,597
Long-term debt	1,459,856	1,456,184
Senior Notes 5.375 Percent Due 2026
Schedule of Capitalization, Long-term Debt [Line Items]
Unsecured senior notes	$ 650,000	$ 650,000
Interest rate, as a percent	5.375%	5.375%	5.375%
Senior Notes 5.875 Percent Due 2029
Schedule of Capitalization, Long-term Debt [Line Items]
Unsecured senior notes	$ 825,000	$ 825,000
Interest rate, as a percent	5.875%	5.875%	5.875%
Notes payable Due 2024 to 2029
Schedule of Capitalization, Long-term Debt [Line Items]
Notes payable	$ 6,439	$ 6,615
Unamortized discount	$ 1,050	$ 1,040
Weighted average interest rate (as a percent)	8.30%	8.30%