CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Cash flows from operating activities:
Net income	$ 1,548,363	$ 1,362,347	$ 1,237,741
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization, including debt cost	217,784	190,256	159,684
Allowance for credit losses	354	3,914	1,946
Gain on extinguishment of liabilities	0	(4,058)	0
Equity in (income) losses of unconsolidated affiliates	(149)	2,241	5,347
Stock-based compensation	38,004	35,234	39,673
Gain on sale of property and equipment	(13,726)	(2,386)	(1,846)
Deferred income (benefits) taxes	(13,440)	(847)	9,946
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	(33,950)	(145,385)	(123,207)
Vehicle pooling costs	16,705	(9,542)	(10,989)
Inventories	4,655	(3,698)	26,549
Prepaid expenses and other current and non-current assets	7,748	(71,067)	(59,949)
Operating lease right-of-use assets and lease liabilities	478	1,064	350
Accounts payable and accrued liabilities	69,599	59,528	18,010
Deferred revenue	2,159	1,867	5,896
Income taxes receivable	(575)	6,561	33,193
Income taxes payable	(44,259)	46,535	21,866
Net cash provided by operating activities	1,799,750	1,472,564	1,364,210
Cash flows from investing activities:
Purchases of property and equipment	(568,990)	(510,990)	(516,636)
Assets and liabilities acquired in connection with acquisition	(1,223)
Assets and liabilities acquired in connection with acquisition		17,662	0
Proceeds from sale of property and equipment	31,831	4,166	33,919
Investment in held to maturity securities	(4,001,918)	(4,087,162)	(1,406,588)
Proceeds from held to maturity securities	3,960,000	3,645,000	0
Investment in unconsolidated affiliate	(7,148)	(8,755)	(2,744)
Net cash used in investing activities	(587,448)	(940,079)	(1,892,049)
Cash flows from financing activities:
Proceeds from the exercise of stock options	42,759	24,260	49,679
Proceeds from the issuance of Employee Stock Purchase Plan shares	14,679	12,406	11,098
Payments for employee stock-based tax withholdings	(5,282)	(6,558)	(4,709)
Issuance of principal on revolver facility	0	0	44,494
Principal payments on revolver facility	0	(10,821)	(33,924)
Payments of finance lease obligations	(49)	(14)	(23)
Net cash provided by financing activities	52,107	19,273	66,615
Effect of foreign currency translation	2,011	4,958	34,383
Net increase (decrease) in cash, cash equivalents, and restricted cash	1,266,420	556,716	(426,841)
Cash, cash equivalents, and restricted cash at beginning of period	1,514,111	957,395	1,384,236
Cash, cash equivalents, and restricted cash at end of period	2,780,531	1,514,111	957,395
Supplemental disclosure of cash flow information:
Interest paid	2,019	3,127	2,614
Income taxes paid, net of refunds	409,003	285,891	257,514
Purchase of property and equipment through settlement of deposit	$ 64,050	$ 0	$ 0