Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues:
Product	$ 98,930	$ 127,895
Services and other revenues	51,624	43,109
Total revenues	150,554	171,004
Cost of revenues:
Cost of product revenues	63,588	71,918
Cost of services and other revenues	22,774	19,141
Total cost of revenues	86,362	91,059
Gross profit	64,192	79,945
Operating expenses:
Research and development	16,803	13,838
Selling, general and administrative	64,625	64,255
Total operating expenses	81,428	78,093
Income (loss) from operations	(17,236)	1,852
Interest and other income (expense), net	(2,456)	(2,171)
Loss before provision for income taxes	(19,692)	(319)
Provision for (benefit from) income taxes	(8,938)	59
Net loss	$ (10,754)	$ (378)
Net loss per share:
Net loss per share - basic and diluted (in dollars per share)	$ (0.29)	$ (0.01)
Weighted-average shares outstanding:
Basic and diluted (in shares)	36,840	35,740