Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenue
Total revenue	$ 172,809	$ 165,948	$ 486,260	$ 492,715
Cost of revenue
Total cost of revenue	103,753	97,943	292,307	297,609
Gross profit	69,056	68,005	193,953	195,106
Operating expenses
Research and development	7,913	8,968	25,113	25,024
Selling, general and administrative	73,833	75,465	230,723	241,356
Impairment of goodwill and intangible assets	0	0	115,975	0
Contingent consideration - fair value adjustments	0	(1,404)	0	(18,549)
Restructuring charges	2,064	812	10,528	3,773
Total operating expenses	83,810	83,841	382,339	251,604
Operating loss	(14,754)	(15,836)	(188,386)	(56,498)
Other income
Interest income, net	8,004	11,347	27,650	32,406
Other income (expense), net	(282)	819	650	(704)
Loss before income taxes	(7,032)	(3,670)	(160,086)	(24,796)
Income tax benefit	(450)	(1,207)	(900)	(9,107)
Loss from continuing operations	(6,582)	(2,463)	(159,186)	(15,689)
Income (loss) from discontinued operations, net of tax	0	993	0	(1,943)
Net loss	$ (6,582)	$ (1,470)	$ (159,186)	$ (17,632)
Basic net loss per share:
Loss from continuing operations (in dollars per share)	$ (0.12)	$ (0.04)	$ (2.9)	$ (0.23)
Income (loss) from discontinued operations, net of tax (in dollars per share)	0	0.02	0	(0.03)
Basic net loss per share (in dollars per share)	(0.12)	(0.02)	(2.9)	(0.26)
Diluted net loss per share:
Loss from continuing operations (in dollars per share)	(0.12)	(0.04)	(2.9)	(0.23)
Income (loss) from discontinued operations, net of tax (in dollars per share)	0	0.02	0	(0.03)
Diluted net loss per share (in dollars per share)	$ (0.12)	$ (0.02)	$ (2.9)	$ (0.26)
Weighted average shares used in computing net loss per share:
Basic (in shares)	52,963	63,432	54,914	68,494
Diluted (in shares)	52,963	63,432	54,914	68,494
Product [Member]
Revenue
Total revenue	$ 68,763	$ 67,296	$ 181,173	$ 205,011
Cost of revenue
Total cost of revenue	47,555	42,747	126,051	136,855
Service [Member]
Revenue
Total revenue	104,046	98,652	305,087	287,704
Cost of revenue
Total cost of revenue	$ 56,198	$ 55,196	$ 166,256	$ 160,754