CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Revenue
Products	$ 132,613	$ 101,462	$ 254,727	$ 190,642
Services	36,720	33,819	74,561	64,594
Total revenue	169,333	135,281	329,288	255,236
Cost of revenue
Products	82,023	65,226	157,701	123,258
Services	22,786	23,255	50,120	44,624
Total cost of revenue	104,809	88,481	207,821	167,882
Gross profit	64,524	46,800	121,467	87,354
Operating expenses
Research and development	11,345	13,111	22,190	26,389
Selling, general and administrative	37,518	32,692	69,479	66,813
Restructuring and other charges	860	7,336	1,835	8,811
Total operating expenses	49,723	53,139	93,504	102,013
Operating income (loss)	14,801	(6,339)	27,963	(14,659)
Interest income	227	50	294	255
Interest expense	(97)	(16)	(193)	(19)
Gain on settlement of equity method investment	0	0	1,847	0
Other loss, net	(283)	(124)	(534)	(183)
Income (loss) before income taxes and equity in earnings of equity method investments	14,648	(6,429)	29,377	(14,606)
Income tax provision	3,420	78,220	6,220	74,850
Income (loss) before equity in earnings of equity method investments	11,228	(84,649)	23,157	(89,456)
Equity in earnings of equity method investments	2,777	710	4,719	869
Net income (loss)	$ 14,005	$ (83,939)	$ 27,876	$ (88,587)
Basic net income (loss) per share (USD per share)	$ 0.20	$ (1.22)	$ 0.40	$ (1.30)
Diluted net income (loss) per share (USD per share)	0.20	(1.22)	0.40	(1.30)
Dividend declared per share (USD per share)	$ 0.1	$ 0.1	$ 0.2	$ 0.2
Weighted average shares outstanding used in computing net income (loss) per share:
Basic (shares)	69,600	68,556	69,388	68,342
Diluted (shares)	70,149	68,556	70,073	68,342