Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Net revenues:
Product	$ 109,789	$ 105,355	$ 199,920	$ 196,736
Service	38,322	33,950	70,833	67,150
Total net revenues	148,111	139,305	270,753	263,886
Cost of revenues:
Product	58,659	57,103	103,586	104,037
Service	14,098	11,927	26,567	24,456
Total cost of revenues	72,757	69,030	130,153	128,493
Gross profit:
Product	51,130	48,252	96,334	92,699
Service	24,224	22,023	44,266	42,694
Total gross profit	75,354	70,275	140,600	135,393
Operating expenses:
Research and development	24,013	20,716	42,312	40,984
Sales and marketing	41,109	37,058	78,065	73,120
General and administrative	9,397	9,775	17,684	18,951
Acquisition and integration costs	4,169	807	6,490	1,145
Restructuring and related charges, net of reversals	1,853	3,031	1,853	8,634
Amortization of intangibles	2,175	4,251	6,317	8,718
Total operating expenses	82,716	75,638	152,721	151,552
Operating loss	(7,362)	(5,363)	(12,121)	(16,159)
Interest income	81	29	138	56
Interest expense	(1,176)	(809)	(1,823)	(1,635)
Other income	1,025	112	802	1,079
Loss before income taxes	(7,432)	(6,031)	(13,004)	(16,659)
Provision for income taxes	1,179	1,203	2,086	2,101
Net loss	$ (8,611)	$ (7,234)	$ (15,090)	$ (18,760)
Basic and diluted net loss per share:
Net loss per share - basic	$ (0.08)	$ (0.07)	$ (0.14)	$ (0.18)
Net loss per share - diluted	$ (0.08)	$ (0.07)	$ (0.14)	$ (0.18)
Shares used in per share calculation - basic	107,425	102,369	106,690	101,677
Shares used in per share calculation - diluted	107,425	102,369	106,690	101,677