Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Revenue:
Total revenue	$ 1,933,347	$ 1,807,159	$ 1,458,415
Cost of revenue:
Total cost of revenue	385,980	371,102	334,271
Gross margin	1,547,367	1,436,057	1,124,144
Operating expenses:
Sales and marketing	485,247	517,779	435,451
Research and development	338,822	299,917	256,575
General and administrative	204,732	206,006	159,826
Amortization of acquired intangible assets	34,970	29,396	28,713
Restructuring and other charges, net	36,234	2,211	32,716
Total operating expenses	1,100,005	1,055,309	913,281
Operating income	447,362	380,748	210,863
Interest and debt premium expense	(54,268)	(50,478)	(76,428)
Other income, net	4,004	61,485	271
Income before income taxes	397,098	391,755	134,706
Provision (benefit) for income taxes	84,017	(85,168)	4,011
Net income (loss)	$ 313,081	$ 476,923	$ 130,695
Earnings (loss) per share—Basic	$ 2.67	$ 4.08	$ 1.13
Earnings (loss) per share—Diluted	$ 2.65	$ 4.03	$ 1.12
Weighted-average shares outstanding—Basic	117,194	116,836	115,663
Weighted-average shares outstanding—Diluted	118,233	118,367	116,267
License
Revenue:
License Revenue	$ 782,680	$ 738,053	$ 509,792
Cost of revenue:
Cost Of License Revenue	49,240	61,750	53,195
Support and cloud services
Revenue:
Support and cloud services	987,573	911,288	804,825
Cost of revenue:
Cost Of support and cloud services revenue	184,789	164,108	145,386
Software
Revenue:
Total software revenue	1,770,253	1,649,341	1,314,617
Cost of revenue:
Total cost of software revenue	234,029	225,858	198,581
Professional services
Revenue:
Professional services	163,094	157,818	143,798
Cost of revenue:
Cost of professional services revenue	$ 151,951	$ 145,244	$ 135,690