Consolidated Statements Of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Revenue:
Total revenue	$ 636,366	$ 603,072	$ 1,201,494	$ 1,153,286
Cost of revenue:
Total cost of revenue	106,262	110,055	218,059	220,075
Gross margin	530,104	493,017	983,435	933,211
Operating expenses:
Sales and marketing	125,031	134,521	282,563	271,445
Research and development	111,023	106,998	226,539	212,781
General and administrative	54,993	61,526	108,312	130,732
Amortization of acquired intangible assets	11,380	10,424	22,820	20,787
Impairment and other charges (credits), net	4,213	(7)	4,213	(802)
Total operating expenses	306,640	313,462	644,447	634,943
Operating income	223,464	179,555	338,988	298,268
Interest expense	(19,606)	(31,586)	(41,654)	(66,920)
Other income (expense), net	1,391	(2,224)	1,069	(4)
Income before income taxes	205,249	145,745	298,403	231,344
Provision for income taxes	42,605	31,300	53,527	50,512
Net income	$ 162,644	$ 114,445	$ 244,876	$ 180,832
Earnings per share—Basic	$ 1.35	$ 0.96	$ 2.04	$ 1.52
Earnings per share—Diluted	$ 1.35	$ 0.95	$ 2.02	$ 1.5
Weighted-average shares outstanding—Basic	120,177	119,587	120,210	119,354
Weighted-average shares outstanding—Diluted	120,854	120,712	121,000	120,480
License
Revenue:
License	$ 254,395	$ 234,321	$ 427,149	$ 418,319
Cost of revenue:
Cost of license revenue	10,939	10,602	21,162	20,931
Support and cloud services
Revenue:
Support and cloud services	352,990	336,446	713,952	666,915
Cost of revenue:
Cost of support and cloud services revenue	70,303	67,414	141,655	134,437
Software
Revenue:
Total software revenue	607,385	570,767	1,141,101	1,085,234
Cost of revenue:
Total cost of software revenue	81,242	78,016	162,817	155,368
Professional services
Revenue:
Professional services	28,981	32,305	60,393	68,052
Cost of revenue:
Cost of professional services revenue	$ 25,020	$ 32,039	$ 55,242	$ 64,707