Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Net revenues:
Product	$ 110,789	$ 92,711	$ 310,709	$ 289,447
Service	37,875	32,175	108,708	99,325
Total net revenues	148,664	124,886	419,417	388,772
Cost of revenues:
Product	52,401	50,240	155,987	154,277
Service	14,117	11,926	40,684	36,382
Total cost of revenues	66,518	62,166	196,671	190,659
Gross profit:
Product	58,388	42,471	154,722	135,170
Service	23,758	20,249	68,024	62,943
Total gross profit	82,146	62,720	222,746	198,113
Operating expenses:
Research and development	24,691	18,852	67,003	59,836
Sales and marketing	38,759	38,322	116,824	111,442
General and administrative	9,612	8,957	27,296	27,896
Acquisition and integration costs	3,418		9,908	1,157
Restructuring and related charges, net of reversals	7,719	1,358	9,572	9,992
Amortization of intangibles	1,193	4,142	7,510	12,860
Total operating expenses	85,392	71,631	238,113	223,183
Operating loss	(3,246)	(8,911)	(15,367)	(25,070)
Interest income	236	28	374	84
Interest expense	(1,177)	(769)	(3,000)	(2,404)
Other income (loss)	(251)	(266)	551	813
Loss before income taxes	(4,438)	(9,918)	(17,442)	(26,577)
Provision for income taxes	1,166	866	3,252	2,967
Net loss	$ (5,604)	$ (10,784)	$ (20,694)	$ (29,544)
Basic and diluted net loss per share:
Net loss per share - basic	$ (0.05)	$ (0.10)	$ (0.19)	$ (0.29)
Net loss per share - diluted	$ (0.05)	$ (0.10)	$ (0.19)	$ (0.29)
Shares used in per share calculation - basic	109,213	104,104	107,531	102,486
Shares used in per share calculation - diluted	109,213	104,104	107,531	102,486