Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Cash flows from operating activities:
Net Income (Loss)	$ 166,518	$ 82,232
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,298	25,823
Amortization of right-of-use lease assets	8,830	7,928
Stock-based compensation	57,867	55,851
Other non-cash items, net	(279)	(999)
Changes in operating assets and liabilities, excluding the effects of acquisitions:
Accounts receivable	191,988	131,353
Accounts payable and accrued expenses	73,739	(13,192)
Accrued compensation and benefits	(36,474)	(2,144)
Deferred revenue	(112,390)	(27,810)
Accrued income taxes	(11,037)	(13,528)
Other current assets and prepaid expenses	(148,613)	(18,766)
Operating lease liabilities	11,370	(3,850)
Other noncurrent assets and liabilities	42,928	15,531
Net cash provided by operating activities	269,745	238,429
Cash flows from investing activities:
Additions to property and equipment	(2,341)	(2,767)
Settlement of net investment hedges	3,200	28,308
Net cash provided by investing activities	859	25,541
Cash flows from financing activities:
Borrowings under credit facility	70,000	50,000
Repayments of borrowings under credit facility	(70,000)	(255,125)
Repurchases of common stock	(200,034)	(75,000)
Payments of withholding taxes in connection with stock-based awards	(43,033)	(42,789)
Other financing activity	(1,007)	(1,410)
Net cash used in financing activities	(244,074)	(324,324)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(1,209)	(9,201)
Net change in cash, cash equivalents, and restricted cash	25,321	(69,555)
Cash, cash equivalents, and restricted cash, beginning of period	184,988	266,466
Cash, cash equivalents, and restricted cash, end of period	210,309	196,911
Supplemental disclosure of non-cash financing and investing activities:
Withholding taxes in connection with stock-based awards, accrued	7,191	4,648
Operating right-of-use assets obtained in exchange for operating lease liabilities	$ 18,738	$ 2,607