Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Cash flows from operating activities:
Net income	$ 1,040,169	$ 889,956
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization, including debt cost	139,178	115,320
Allowance for credit loss	2,513	1,480
Equity in losses of unconsolidated affiliates	2,580	5,446
Stock-based compensation	26,694	30,404
Gain on sale of property and equipment	(2,169)	(965)
Deferred income taxes	(3,093)	(3,236)
Changes in operating assets and liabilities:
Accounts receivable	(152,564)	(115,098)
Vehicle pooling costs	(1,784)	(7,300)
Inventories	(7,316)	14,870
Prepaid expenses, other current and non-current assets	(39,815)	(33,830)
Operating lease right-of-use assets and lease liabilities	1,377	595
Accounts payable and accrued liabilities	40,305	30,314
Deferred revenue	2,660	5,516
Income taxes receivable	(16,846)	49,430
Income taxes payable	1,454	22,731
Net cash provided by operating activities	1,033,343	1,005,633
Cash flows from investing activities:
Purchases of property and equipment	(373,104)	(346,524)
Cash acquired in connection with acquisition	17,662	0
Proceeds from sale of property and equipment	3,453	20,509
Investment in held to maturity securities	(2,478,505)	0
Proceeds from the sale of held to maturity securities	1,915,000	0
Investment in unconsolidated affiliate	(1,000)	(2,744)
Net cash used in investing activities	(916,494)	(328,759)
Cash flows from financing activities:
Proceeds from the exercise of stock options	20,377	27,220
Proceeds from the issuance of Employee Stock Purchase Plan shares	5,957	5,363
Payments for employee stock-based tax withholdings	(4,613)	(3,026)
Issuance of principal on revolver facility	0	21,481
Principal payments on revolver facility	(10,818)	0
Payments of finance lease obligations	(14)	(18)
Net cash provided by financing activities	10,889	51,020
Effect of foreign currency translation	4,862	2,053
Net increase in cash, cash equivalents, and restricted cash	132,600	729,947
Cash, cash equivalents, and restricted cash at beginning of period	957,395	1,384,236
Cash, cash equivalents, and restricted cash at end of period	1,089,995	2,114,183
Supplemental disclosure of cash flow information:
Interest paid	1,946	1,586
Income taxes paid, net of refunds	$ 266,400	$ 171,438