CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	9 Months Ended	12 Months Ended
	Jun. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Revenue:
Total Revenue	$ 405,296	$ 300,640	$ 130,495
Cost of revenue:
Total cost of revenue	156,396	163,010	50,890
Gross profit	248,900	137,630	79,605
Operating expenses:
Selling and marketing	108,463	103,311	32,876
Research and development	64,285	59,646	36,842
General and administrative	39,878	32,638	21,717
Restructuring Costs	117	2,474	6,230
Total operating expenses	212,743	198,069	97,665
Income (loss) from operations	36,157	(60,439)	(18,060)
Other income (expense), net	(310)	(5,359)	(4,335)
Interest income (expense), net	(3,494)	(115)	(50)
Income (loss) before provision for income taxes	39,961	(65,913)	(22,445)
(Benefit) for income taxes	(13,185)	(45,305)	(2,128)
Net income (loss)	$ 53,146	$ (20,608)	$ (20,317)
Net income per common share:
Basic (in dollars per share)	$ 1.30	$ (0.57)	$ (0.56)
Diluted (in dollars per share)	$ 1.30	$ (0.57)	$ (0.56)
Weighted average shares outstanding:
Basic (in shares)	40,931	36,308	36,308
Diluted (in shares)	41,008	36,308	36,308
Revenue from Contract with Customer, Excluding Assessed Tax	$ 405,296	$ 300,640	$ 130,495
License [Member]
Cost of revenue:
Total cost of revenue	125,258	125,181	17,462
Weighted average shares outstanding:
Revenue from Contract with Customer, Excluding Assessed Tax	278,589	180,914	42,038
Maintenance
Cost of revenue:
Total cost of revenue	15,030	18,610	16,092
Weighted average shares outstanding:
Revenue from Contract with Customer, Excluding Assessed Tax	103,786	92,562	65,591
Services and other
Cost of revenue:
Total cost of revenue	16,108	19,219	17,336
Weighted average shares outstanding:
Revenue from Contract with Customer, Excluding Assessed Tax	$ 22,921	$ 27,164	$ 22,866