Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 597,040	$ 537,126	$ 468,173
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	157,691	125,187	105,384
Amortization of lease right-of-use assets	30,982	30,407	32,344
Stock-based compensation expense	61,229	63,501	62,038
Deferred income taxes	(3,545)	(32,020)	(31,119)
Gain on divestiture of a business	(23,238)	0	0
Other, net	11,867	14,511	38,010
Changes in assets and liabilities, net of effects of acquisitions
Accounts receivable	(42,540)	2,195	(40,103)
Prepaid expenses and other assets	65	(29,874)	7,579
Accounts payable and accrued expenses	(59,400)	55,347	8,393
Accrued compensation	35,666	(20,213)	(3,431)
Deferred revenues	2,249	4,939	(3,387)
Taxes payable, net of prepaid taxes	(1,161)	(11,448)	41,396
Lease liabilities, net	(40,645)	(39,320)	(39,704)
Net cash provided by operating activities	726,260	700,338	645,573
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property, equipment, leasehold improvements and capitalized internal-use software	(108,806)	(85,681)	(60,786)
Acquisition of businesses, net of cash and cash equivalents acquired	(348,255)	0	(23,593)
Purchases of investments	(18,867)	(58,636)	(11,014)
Proceeds from maturity or sale of investments	58,155	0	0
Proceeds from divestiture	25,000	0	0
Net cash provided by (used in) investing activities	(392,773)	(144,317)	(95,393)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from debt	803,410	0	0
Repayments of debt	(805,000)	(250,000)	(375,000)
Dividend payments	(159,973)	(150,667)	(138,601)
Proceeds from employee stock plans	81,688	91,711	72,006
Repurchases of common stock	(300,457)	(235,235)	(176,720)
Other financing activities	(27,489)	(16,659)	(13,709)
Net cash provided by (used in) financing activities	(407,821)	(560,850)	(632,024)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	3,050	2,364	4,015
Net increase (decrease) in cash, cash equivalents and restricted cash	(71,284)	(2,465)	(77,829)
Cash and cash equivalents at beginning of period	422,979	425,444	503,273
Cash, cash equivalents and restricted cash at end of period	351,695	422,979	425,444
Reconciliation of total cash, cash equivalents and restricted cash:
Cash and cash equivalents	337,651	422,979	425,444
Restricted cash included in Prepaid expenses and other current assets	6,522	0	0
Restricted cash included in Other assets	7,522	0	0
Total cash, cash equivalents and restricted cash	351,695	422,979	425,444
Supplemental Disclosure of Cash Flow Information
Cash paid during the year for interest	54,813	65,920	76,524
Cash paid during the year for income taxes, net of refunds	103,167	157,015	91,170
Supplemental Disclosure of Non-Cash Transactions
Dividends declared, not paid	$ 41,410	$ 39,470	$ 37,265