CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Revenues:
Total revenues	$ 294,475	$ 327,891	$ 387,182
Cost of revenues:
Amortization of intangible assets	414	2,984	7,516
Total cost of revenues	95,163	97,168	101,074
Gross profit	199,312	230,723	286,108
Operating expenses:
Research and development	123,333	107,116	112,070
Sales and marketing	27,504	31,098	38,683
General and administrative	57,903	42,653	56,979
Amortization of intangible assets	5,854	11,516	12,690
Restructuring and other costs, net	11,917	8,965	5,092
Goodwill impairment		213,720
Total operating expenses	226,511	415,068	225,514
(Loss) income from operations	(27,199)	(184,345)	60,594
Interest income	4,471	1,007	109
Interest expense	(14,769)	(14,394)	(13,997)
Other income (expense), net	1,108	(1,019)	1,563
(Loss) income before income taxes	(36,389)	(198,751)	48,269
Provision for income taxes	19,865	112,075	2,376
Net (loss) income	$ (56,254)	$ (310,826)	$ 45,893
Net (loss) income per share:
Basic	$ (1.4)	$ (7.93)	$ 1.22
Diluted	$ (1.4)	$ (7.93)	$ 1.17
Weighted-average common share outstanding:
Basic	40,215	39,187	37,752
Diluted	40,215	39,187	39,289
License
Revenues:
Total revenues	$ 145,159	$ 158,610	$ 202,183
Cost of revenues:
Total cost of revenues	8,522	2,698	3,544
Connected Services
Revenues:
Total revenues	75,071	85,571	109,534
Cost of revenues:
Total cost of revenues	22,995	22,722	25,727
Professional Services
Revenues:
Total revenues	74,245	83,710	75,465
Cost of revenues:
Total cost of revenues	$ 63,232	$ 68,764	$ 64,287