CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue
Total revenue	$ 220,350	$ 203,880	$ 651,077	$ 581,637
Cost of revenue
Total cost of revenue	127,562	120,370	383,022	345,531
Gross profit	92,788	83,510	268,055	236,106
Operating expenses
Research and development	14,004	14,235	43,727	41,485
Selling, general and administrative	59,714	52,596	178,866	158,509
Restructuring charges	(29)	256	1,125	685
Total operating expenses	73,689	67,087	223,718	200,679
Operating income	19,099	16,423	44,337	35,427
Interest income	29	108	865	847
Interest expense	(810)	(8,041)	(2,265)	(21,348)
Loss on extinguishment of debt				(9,051)
Other income (expenses), net	498	(309)	(1,318)	(1,116)
Income before income taxes	18,816	8,181	41,619	4,759
Income tax provision	5,120	7,260	5,557	400
Income from continuing operations	13,696	921	36,062	4,359
Income (loss) from discontinued operations, net of tax		6,333	(182)	20,731
Net income	$ 13,696	$ 7,254	$ 35,880	$ 25,090
Basic net income per share:
Income from continuing operations (in dollars per share)	$ 0.19	$ 0.01	$ 0.49	$ 0.06
Income (loss) from discontinued operations, net of tax (in dollars per share)		0.09	0.00	0.29
Basic net income per share (in dollars per share)	0.19	0.10	0.49	0.35
Diluted net income per share:
Income from continuing operations (in dollars per share)	0.19	0.01	0.49	0.06
Income (loss) from discontinued operations, net of tax (in dollars per share)		0.09	0.00	0.29
Diluted net income per share (in dollars per share)	$ 0.19	$ 0.10	$ 0.49	$ 0.35
Weighted average shares used in computing net income per share:
Basic (in shares)	73,759	72,188	73,473	71,903
Diluted (in shares)	73,860	72,470	73,766	72,313
Products
Revenue
Total revenue	$ 142,323	$ 128,397	$ 413,329	$ 381,827
Cost of revenue
Total cost of revenue	81,989	77,203	245,930	229,580
Services
Revenue
Total revenue	78,027	75,483	237,748	199,810
Cost of revenue
Total cost of revenue	$ 45,573	$ 43,167	$ 137,092	$ 115,951