CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Revenue
Total revenue	$ 220,227	$ 198,390	$ 430,727	$ 377,757
Cost of revenue
Total cost of revenue	129,946	117,874	255,460	225,161
Gross profit	90,281	80,516	175,267	152,596
Operating expenses
Research and development	15,322	14,101	29,723	27,249
Selling, general and administrative	59,809	52,373	119,152	105,914
Restructuring charges	578	370	1,154	429
Total operating expenses	75,709	66,844	150,029	133,592
Operating income	14,572	13,672	25,238	19,004
Interest income	137	316	836	739
Interest expense	(718)	(8,018)	(1,455)	(13,308)
Loss on extinguishment of debt		(9,051)		(9,051)
Other expenses, net	(1,399)	(778)	(1,816)	(807)
Income (loss) before income taxes	12,592	(3,859)	22,803	(3,423)
Income tax provision (benefit)	3,400	(1,030)	437	(6,860)
Income (loss) from continuing operations	9,192	(2,829)	22,366	3,437
(Loss) income from discontinued operations, net of tax	(65)	6,250	(182)	14,399
Net income	$ 9,127	$ 3,421	$ 22,184	$ 17,836
Basic net income per share:
Income (loss) from continuing operations	$ 0.12	$ (0.04)	$ 0.30	$ 0.05
(Loss) income from discontinued operations, net of tax	0.00	0.09	0.00	0.20
Basic net income per share	0.12	0.05	0.30	0.25
Diluted net income per share:
Income (loss) from continuing operations	0.12	(0.04)	0.30	0.05
(Loss) income from discontinued operations, net of tax	0.00	0.09	0.00	0.20
Diluted net income per share	$ 0.12	$ 0.05	$ 0.30	$ 0.25
Weighted average shares used in computing net income per share:
Basic	73,708	72,077	73,331	71,760
Diluted	73,789	72,292	73,752	72,215
Products
Revenue
Total revenue	$ 139,144	$ 128,056	$ 271,006	$ 253,430
Cost of revenue
Total cost of revenue	83,970	77,803	163,941	152,376
Services
Revenue
Total revenue	81,083	70,334	159,721	124,327
Cost of revenue
Total cost of revenue	$ 45,976	$ 40,071	$ 91,519	$ 72,785