Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	6 Months Ended
	Feb. 29, 2024	Feb. 28, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 289,495	$ 268,391
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	58,650	52,208
Amortization of lease right-of-use assets	15,263	19,596
Stock-based compensation expense	30,962	27,500
Deferred income taxes	5,632	(6,470)
Asset impairments	898	729
Changes in assets and liabilities, net of effects of acquisitions
Accounts receivable, net of reserves	(39,468)	(54,294)
Accounts payable and accrued expenses	10,377	12,102
Accrued compensation	(40,456)	(51,714)
Deferred revenues	22,133	11,069
Taxes payable, net of prepaid taxes	(26,150)	(2,576)
Lease liabilities, net	(19,840)	(22,877)
Other, net	(8,554)	17,650
Net cash provided by operating activities	298,942	271,314
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property, equipment, leasehold improvements and capitalized internal-use software	(38,383)	(35,416)
Purchases of investments	(44,936)	(10,889)
Net cash provided by (used in) investing activities	(83,319)	(46,305)
CASH FLOWS FROM FINANCING ACTIVITIES
Repayments of debt	(125,000)	(250,000)
Dividend payments	(74,141)	(67,478)
Proceeds from employee stock plans	66,544	43,605
Repurchases of common stock	(112,165)	0
Other financing activities	(14,465)	(11,781)
Net cash provided by (used in) financing activities	(259,227)	(285,654)
Effect of exchange rate changes on cash and cash equivalents	(132)	2,698
Net increase (decrease) in cash and cash equivalents	(43,736)	(57,947)
Cash and cash equivalents at beginning of period	425,444	503,273
Cash and cash equivalents at end of period	$ 381,708	$ 445,326