Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Revenue
Total revenue	$ 656,323	$ 665,072	$ 555,498
Cost of revenue
Total cost of revenue	392,956	401,932	299,914
Gross profit	263,367	263,140	255,584
Operating expenses
Research and development	33,525	33,956	27,542
Selling, general and administrative	302,737	316,282	251,465
Impairment of Intangible Assets and Goodwill	115,975	0	0
Contingent consideration - fair value adjustments	0	(18,549)	600
Restructuring charges	11,808	4,577	712
Total operating expenses	464,045	336,266	280,319
Operating loss	(200,678)	(73,126)	(24,735)
Other income (expense)
Interest income, net	33,177	43,735	15,697
Other Nonoperating Income (Expense)	178	(1,042)	(898)
Loss before income taxes	(167,323)	(30,433)	(9,936)
Income tax (benefit) expense	(3,153)	(17,550)	1,350
Loss from continuing operations	(164,170)	(12,883)	(11,286)
Income (loss) from discontinued operations, net of tax	0	(1,374)	2,144,145
Net (loss) income	$ (164,170)	$ (14,257)	$ 2,132,859
Basic net (loss) income per share:
Loss from continuing operations (in dollars per share)	$ (3.09)	$ (0.19)	$ (0.15)
(Loss) income from discontinued operations, net of tax (in dollars per share)	0	(0.02)	28.63
Net (loss) income per share (in dollars per share)	(3.09)	(0.22)	28.48
Diluted net (loss) income per share:
Loss from continuing operations (in dollars per share)	(3.09)	(0.19)	(0.15)
(Loss) income from discontinued operations, net of tax (in dollars per share)	0	(0.02)	28.63
Diluted net (loss) income per share (in dollars per share)	$ (3.09)	$ (0.22)	$ 28.48
Weighted average shares used in computing net income (loss) per share:
Basic (in shares)	53,175	66,253	74,897
Diluted (in shares)	53,175	66,253	74,897
Product [Member]
Revenue
Total revenue	$ 243,407	$ 277,191	$ 180,950
Cost of revenue
Total cost of revenue	170,094	186,090	100,044
Service [Member]
Revenue
Total revenue	412,916	387,881	374,548
Cost of revenue
Total cost of revenue	$ 222,862	$ 215,842	$ 199,870