Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Revenue:
Total revenue	$ 2,298,472	$ 2,097,053	$ 1,933,347
Cost of revenue:
Total cost of revenue	444,816	441,006	385,980
Gross margin	1,853,656	1,656,047	1,547,367
Operating expenses:
Sales and marketing	558,954	530,125	485,247
Research and development	433,047	394,370	338,822
General and administrative	232,377	233,516	204,732
Amortization of acquired intangible assets	42,018	40,022	34,970
Restructuring and other charges (credits), net	(802)	(460)	36,234
Total operating expenses	1,265,594	1,197,573	1,100,005
Operating income	588,062	458,474	447,362
Interest expense	(119,653)	(129,417)	(54,268)
Other income, net	553	3,509	4,004
Income before income taxes	468,962	332,566	397,098
Provision for income taxes	92,629	87,026	84,017
Net income	$ 376,333	$ 245,540	$ 313,081
Earnings per share-Basic	$ 3.14	$ 2.07	$ 2.67
Earnings per share-Diluted	$ 3.12	$ 2.06	$ 2.65
Weighted-average shares outstanding—Basic	119,679	118,341	117,194
Weighted-average shares outstanding—Diluted	120,742	119,334	118,233
License
Revenue:
License	$ 806,871	$ 747,022	$ 782,680
Cost of revenue:
Cost of license revenue	46,850	53,200	49,240
Support and cloud services
Revenue:
Support and cloud services	1,359,355	1,199,536	987,573
Cost of revenue:
Cost of support and cloud services revenue	274,599	245,027	184,789
Software
Revenue:
Total software revenue	2,166,226	1,946,558	1,770,253
Cost of revenue:
Total cost of software revenue	321,449	298,227	234,029
Professional services
Revenue:
Professional services	132,246	150,495	163,094
Cost of revenue:
Cost of professional services revenue	$ 123,367	$ 142,779	$ 151,951