CONSOLIDATED AND COMBINED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2018
Revenues:
Total revenues	$ 329,646	$ 303,315	$ 276,984
Cost of revenues:
Amortization of intangible assets	8,337	8,498	7,766
Total cost of revenues	107,851	99,343	82,964
Gross profit	221,795	203,972	194,020
Operating expenses:
Research and development	88,899	93,061	80,957
Sales and marketing	33,398	36,261	30,553
General and administrative	49,386	25,926	19,873
Amortization of intangible assets	12,544	12,524	8,840
Restructuring and other costs, net	18,237	24,404	12,863
Acquisition-related costs		944	4,082
Total operating expenses	202,464	193,120	157,168
Income from operations	19,331	10,852	36,852
Interest income	585
Interest expense	(22,737)
Other income (expense), net	(23,319)	332	(54)
(Loss) income before income taxes	(26,140)	11,184	36,798
(Benefit from) provision for income taxes	(5,509)	(89,084)	30,917
Net (loss) income	$ (20,631)	$ 100,268	$ 5,881
Net (loss) income per share:
Basic	$ (0.57)	$ 2.76	$ 0.16
Diluted	$ (0.57)	$ 2.76	$ 0.16
Weighted-average common share outstanding:
Basic	36,428	36,391	36,391
Diluted	36,428	36,391	36,391
License
Revenues:
Total revenues	$ 164,268	$ 172,379	$ 171,075
Cost of revenues:
Total cost of revenues	2,783	2,069	1,156
Connected Services
Revenues:
Total revenues	96,148	78,690	60,227
Cost of revenues:
Total cost of revenues	31,768	37,562	32,919
Professional Services
Revenues:
Total revenues	69,230	52,246	45,682
Cost of revenues:
Total cost of revenues	$ 64,963	$ 51,214	$ 41,123