Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 131,593	$ 109,938	$ 268,391	$ 217,585
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization			52,208	32,827
Amortization of lease right-of-use assets			19,596	22,172
Stock-based compensation expense			27,500	25,937
Deferred income taxes			(6,470)	(3,264)
Asset impairments	447	10,292	729	13,987
Changes in assets and liabilities, net of effects of acquisitions
Accounts receivable, net of reserves			(54,294)	(37,704)
Accounts payable and accrued expenses			12,102	10,183
Accrued compensation			(51,714)	(34,680)
Deferred revenues			11,069	6,201
Taxes payable, net of prepaid taxes			(2,576)	(21,824)
Lease liabilities, net			(22,877)	(23,863)
Other, net			17,650	(12,605)
Net cash provided by operating activities			271,314	194,952
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property, equipment, leasehold improvements and capitalized internal-use software			(35,416)	(20,546)
Acquisition of businesses, net of cash and cash equivalents acquired			0	(50,018)
Purchases of investments			(10,889)	(250)
Net cash provided by (used in) investing activities			(46,305)	(70,814)
CASH FLOWS FROM FINANCING ACTIVITIES
Repayment of debt			(250,000)	0
Dividend payments			(67,478)	(61,448)
Proceeds from employee stock plans			43,605	56,928
Repurchases of common stock			0	(18,639)
Other financing activities			(11,781)	(3,258)
Net cash provided by (used in) financing activities			(285,654)	(26,417)
Effect of exchange rate changes on cash and cash equivalents			2,698	(6,574)
Net increase (decrease) in cash and cash equivalents			(57,947)	91,147
Cash and cash equivalents at beginning of period			503,273	681,865	$ 773,012
Cash and cash equivalents at end of period	$ 445,326	$ 773,012	$ 445,326	$ 773,012	$ 445,326