Contingent Liabilities, Commitments and Legal Matters (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Jul. 31, 2024
Loss Contingencies [Line Items]
Standby repurchase obligations amount	$ 3,422,718		$ 3,642,137
Term of commitments (in months)	18 months
Repurchase and guarantee reserve balances	$ 12,870		$ 14,356
General and Administrative Expense
Loss Contingencies [Line Items]
Expense recorded related to product recall costs	$ 0	$ 10,000