CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenue
Total revenue	$ 315,349	$ 220,350	$ 851,439	$ 651,077
Cost of revenue
Total cost of revenue	170,949	127,562	466,637	383,022
Gross profit	144,400	92,788	384,802	268,055
Operating expenses
Research and development	18,284	14,004	51,310	43,727
Selling, general and administrative	75,883	59,714	221,646	178,866
Restructuring charges		(29)	179	1,125
Total operating expenses	94,167	73,689	273,135	223,718
Operating income	50,233	19,099	111,667	44,337
Interest income	409	29	503	865
Interest expense	(477)	(810)	(1,485)	(2,265)
Other income (expenses), net	(1,625)	498	(147)	(1,318)
Income before income taxes	48,540	18,816	110,538	41,619
Income tax provision	9,370	5,120	20,428	5,557
Income from continuing operations	39,170	13,696	90,110	36,062
Loss from discontinued operations, net of tax	(4)		(1,168)	(182)
Net income	$ 39,166	$ 13,696	$ 88,942	$ 35,880
Basic net income per share:
Income from continuing operations (in dollars per share)	$ 0.53	$ 0.19	$ 1.21	$ 0.49
Loss from discontinued operations, net of tax (in dollars per share)	0.00		(0.02)	0.00
Basic net income per share (in dollars per share)	0.53	0.19	1.20	0.49
Diluted net income per share:
Income from continuing operations (in dollars per share)	0.53	0.19	1.21	0.49
Loss from discontinued operations, net of tax (in dollars per share)	0.00		(0.02)	0.00
Diluted net income per share (in dollars per share)	$ 0.53	$ 0.19	$ 1.20	$ 0.49
Weighted average shares used in computing net income per share:
Basic (in shares)	74,296	73,759	74,195	73,473
Diluted (in shares)	74,495	73,860	74,420	73,766
Products
Revenue
Total revenue	$ 215,843	$ 142,323	$ 565,829	$ 413,329
Cost of revenue
Total cost of revenue	120,387	81,989	317,472	245,930
Services
Revenue
Total revenue	99,506	78,027	285,610	237,748
Cost of revenue
Total cost of revenue	$ 50,562	$ 45,573	$ 149,165	$ 137,092