Contingent Liabilities, Commitments and Legal Matters (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Jul. 31, 2023
Loss Contingencies [Line Items]
Standby repurchase obligations amount	$ 3,704,564		$ 3,893,048
Term of commitments	18 months
Repurchase and guarantee reserve balances	$ 13,155		$ 12,114
Selling, General and Administrative Expenses
Loss Contingencies [Line Items]
Expense recorded related to product recall costs	$ 10	$ 0