CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
Revenue
Total revenue	$ 513,703	$ 388,537	$ 334,179
Cost of revenue
Total cost of revenue	269,894	216,389	199,575
Gross profit	243,809	172,148	134,604
Operating expenses
Research and development	22,412	17,818	17,316
Selling, general and administrative	252,101	190,256	163,331
Restructuring charges	385	674	1,388
Total operating expenses	274,898	208,748	182,035
Operating loss	(31,089)	(36,600)	(47,431)
Interest income	632	849	1,449
Interest expense	(2,037)	(2,944)	(22,250)
Loss on extinguishment of debt			(14,339)
Other expenses, net	(16,475)	(1,597)	(1,386)
Loss before income taxes	(48,969)	(40,292)	(83,957)
Income tax benefit	(20,100)	(13,930)	(22,830)
Loss from continuing operations	(28,869)	(26,362)	(61,127)
Income from discontinued operations, net of tax	139,616	91,215	498,543
Net income	$ 110,747	$ 64,853	$ 437,416
Basic net income per share:
Loss from continuing operations (in dollars per share)	$ (0.39)	$ (0.36)	$ (0.85)
Income from discontinued operations, net of tax (in dollars per share)	1.88	1.24	6.92
Basic net income per share (in dollars per share)	1.49	0.88	6.08
Diluted net income per share:
Loss from continuing operations (in dollars per share)	(0.39)	(0.36)	(0.84)
Income from discontinued operations, net of tax (in dollars per share)	1.88	1.24	6.89
Diluted net income per share (in dollars per share)	$ 1.49	$ 0.88	$ 6.04
Weighted average shares used in computing net income per share:
Basic (in shares)	74,229	73,557	71,992
Diluted (in shares)	74,455	73,850	72,386
Products
Revenue
Total revenue	$ 181,036	$ 110,567	$ 100,444
Cost of revenue
Total cost of revenue	96,678	62,715	63,936
Services
Revenue
Total revenue	332,667	277,970	233,735
Cost of revenue
Total cost of revenue	$ 173,216	$ 153,674	$ 135,639