CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Revenue
Products	$ 122,114	$ 89,180
Services	37,841	30,775
Total revenue	159,955	119,955
Cost of revenue
Products	75,679	58,032
Services	27,333	21,369
Total cost of revenue	103,012	79,401
Gross profit	56,943	40,554
Operating expenses
Research and development	10,845	13,278
Selling, general and administrative	31,962	34,121
Restructuring and other charges	975	1,475
Total operating expenses	43,782	48,874
Operating income (loss)	13,161	(8,320)
Interest income	68	205
Interest expense	(96)	(3)
Gain on settlement of equity method investment	1,847	0
Other loss, net	(251)	(59)
Income (loss) before income taxes and equity in earnings of equity method investments	14,729	(8,177)
Income tax provision (benefit)	2,800	(3,370)
Income (loss) before equity in earnings of equity method investments	11,929	(4,807)
Equity in earnings of equity method investments	1,942	159
Net income (loss)	$ 13,871	$ (4,648)
Basic net income (loss) per share (USD per share)	$ 0.20	$ (0.07)
Diluted net income (loss) per share (USD per share)	0.20	(0.07)
Dividend declared per share (USD per share)	$ 0.10	$ 0.10
Weighted average shares outstanding used in computing net income (loss) per share:
Basic (shares)	69,181	68,130
Diluted (shares)	69,870	68,130