Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Net revenue:
Products	$ 179,611	$ 193,299	$ 178,710
Services	203,803	205,501	201,091
Total net revenue	383,414	398,800	379,801
Cost of revenue:
Cost of products	113,357	108,671	104,549
Cost of services	128,716	131,416	129,850
Total cost of revenue	242,073	240,087	234,399
Gross profit	141,341	158,713	145,402
Operating expenses:
Research and development	49,921	56,652	55,752
Selling and marketing	57,477	56,812	62,440
General and administrative	43,766	50,122	46,379
Total operating expenses	151,164	163,586	164,571
Loss from operations	(9,823)	(4,873)	(19,169)
Other expense, net	(18,718)	(18,295)	(18,621)
Loss before provision for income taxes	(28,541)	(23,168)	(37,790)
Provision for income taxes	1,038	2,336	2,419
Net loss	$ (29,579)	$ (25,504)	$ (40,209)
Loss per share attributable to stockholders
Net loss per share - basic and diluted	$ (0.36)	$ (0.32)	$ (0.51)
Weighted average common shares used in computing net loss per share:
Basic and diluted	82,495	80,509	78,277
Net loss	$ (29,579)	$ (25,504)	$ (40,209)
Foreign currency translation adjustment	33	(47)	(1,196)
Unrealized gain (loss) on investments, net of tax	(74)	62	(95)
Change in defined benefit pension obligation	949	(549)	(950)
Comprehensive loss	$ (28,671)	$ (26,038)	$ (42,450)