Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Cash flows from operating activities:
Net income	$ 1,153,055	$ 1,040,169
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization, including debt cost	163,642	139,178
Allowance for credit losses	153	2,513
Equity in (earnings) losses of unconsolidated affiliates	(135)	2,580
Stock-based compensation	28,905	26,694
Gain on sale of property and equipment	(1,041)	(2,169)
Deferred income taxes	67	(3,093)
Changes in operating assets and liabilities:
Accounts receivable	(1,916)	(152,564)
Vehicle pooling costs	14,944	(1,784)
Inventories	(180)	(7,316)
Prepaid expenses, other current and non-current assets	(935)	(39,815)
Operating lease right-of-use assets and lease liabilities	915	1,377
Accounts payable and accrued liabilities	56,060	40,305
Deferred revenue	1,961	2,660
Income taxes receivable	1	(16,846)
Income taxes payable	(54,222)	1,454
Net cash provided by operating activities	1,361,274	1,033,343
Cash flows from investing activities:
Purchases of property and equipment	(481,349)	(373,104)
Assets and liabilities acquired in connection with acquisition	(1,213)
Assets and liabilities acquired in connection with acquisition		17,662
Proceeds from sale of property and equipment	4,533	3,453
Purchases of held to maturity securities	(2,017,843)	(2,478,505)
Proceeds from held to maturity securities	1,940,000	1,915,000
Investment in unconsolidated affiliate	(3,177)	(1,000)
Net cash used in investing activities	(559,049)	(916,494)
Cash flows from financing activities:
Proceeds from the exercise of stock options	40,171	20,377
Proceeds from the issuance of Employee Stock Purchase Plan shares	7,404	5,957
Payments for employee stock-based tax withholdings	(3,358)	(4,613)
Principal payments on revolver facility	0	(10,818)
Payments of finance lease obligations	(44)	(14)
Net cash provided by financing activities	44,173	10,889
Effect of foreign currency translation	5,990	4,862
Net increase in cash, cash equivalents, and restricted cash	852,388	132,600
Cash, cash equivalents, and restricted cash at beginning of period	1,514,111	957,395
Cash, cash equivalents, and restricted cash at end of period	2,366,499	1,089,995
Supplemental disclosure of cash flow information:
Interest paid	1,972	1,946
Income taxes paid, net of refunds	318,989	266,400
Purchase of property and equipment through settlement of deposit	$ 64,050	$ 0