Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Net revenues:
Product	$ 451,459	$ 395,464	$ 418,046
Service	146,659	132,925	134,894
Total net revenues	598,118	528,389	552,940
Cost of revenues:
Product	217,727	208,739	225,018
Service	55,906	48,862	48,185
Total cost of revenues	273,633	257,601	273,203
Gross profit:
Product	233,732	186,725	193,028
Service	90,753	84,063	86,709
Total gross profit	324,485	270,788	279,737
Operating expenses:
Research and development	93,724	78,721	93,447
Sales and marketing	162,927	150,806	169,299
General and administrative	37,864	37,675	42,092
Acquisition and integration costs	13,105	1,145	10,205
Restructuring and related charges, net of reversals	8,896	10,990	9,819
Amortization of intangibles	8,702	17,001	17,869
Total operating expenses	325,218	296,338	342,731
Operating loss	(733)	(25,550)	(62,994)
Interest income	689	113	541
Interest expense	(4,086)	(3,098)	(3,177)
Other income (loss)	(47)	987	(1,206)
Loss before income taxes	(4,177)	(27,548)	(66,836)
Provision for income taxes	4,340	4,336	4,807
Net loss	$ (8,517)	$ (31,884)	$ (71,643)
Basic and diluted net loss per share:
Net loss per share - basic	$ (0.08)	$ (0.31)	$ (0.72)
Net loss per share - diluted	$ (0.08)	$ (0.31)	$ (0.72)
Shares used in per share calculation - basic	108,273	103,074	99,000
Shares used in per share calculation - diluted	108,273	103,074	99,000