Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Revenue:
Total revenue	$ 542,181	$ 505,227	$ 1,008,091	$ 962,948
Cost of revenue:
Total cost of revenue	113,506	93,337	209,296	188,455
Gross margin	428,675	411,890	798,795	774,493
Operating expenses:
Sales and marketing	129,207	116,408	247,590	241,884
Research and development	100,349	81,935	188,526	162,469
General and administrative	65,923	47,469	116,894	99,409
Amortization of acquired intangible assets	10,656	8,450	18,682	16,934
Restructuring and other charges (credits), net	1	(1,562)	(337)	32,429
Total operating expenses	306,136	252,700	571,355	553,125
Operating income	122,539	159,190	227,440	221,368
Interest and debt premium expense	(41,525)	(12,239)	(57,883)	(25,225)
Other income (expense), net	55	(43,385)	(2,064)	(37,201)
Income before income taxes	81,069	103,566	167,493	158,942
Provision for income taxes	17,565	13,887	28,954	23,174
Net income	$ 63,504	$ 89,679	$ 138,539	$ 135,768
Earnings per share—Basic	$ 0.54	$ 0.77	$ 1.17	$ 1.16
Earnings per share—Diluted	$ 0.53	$ 0.76	$ 1.17	$ 1.15
Weighted-average shares outstanding—Basic	118,260	117,008	118,037	117,135
Weighted-average shares outstanding—Diluted	119,041	117,811	118,912	118,162
License
Revenue:
License	$ 196,993	$ 218,375	$ 369,691	$ 387,483
Cost of revenue:
Cost of license revenue	17,039	11,936	29,792	21,730
Support and cloud services
Revenue:
Support and cloud services	304,071	243,875	561,727	488,360
Cost of revenue:
Cost of support and cloud services revenue	59,137	44,768	109,362	90,653
Software
Revenue:
Total software revenue	501,064	462,250	931,418	875,843
Cost of revenue:
Total cost of software revenue	76,176	56,704	139,154	112,383
Professional services
Revenue:
Professional services	41,117	42,977	76,673	87,105
Cost of revenue:
Cost of professional services revenue	$ 37,330	$ 36,633	$ 70,142	$ 76,072