Recent Accounting Pronouncements - Schedule of Effect of Adoption of Topic 606 On Condensed Consolidated Statement of Operations (Unaudited) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Net revenues:
Product	$ 203,527	$ 111,321	$ 543,151	$ 319,469
Service	58,477	37,875	161,691	108,708
Total net revenues	262,004	149,196	704,842	428,177
Cost of revenues:
Product	94,485	52,275	253,002	159,151
Service	24,536	14,117	67,490	40,684
Total cost of revenues	119,021	66,392	320,492	199,835
Gross profit:
Product	109,042	59,046	290,149	160,318
Service	33,941	23,758	94,201	68,024
Total gross profit	142,983	82,804	384,350	228,342
Sales and marketing expenses	72,240	38,790	193,460	116,674
Operating loss	(8,221)	(2,619)	(34,839)	(9,621)
Net loss before tax	(11,884)	(3,811)	(39,373)	(11,696)
Net loss	$ (13,613)	$ (4,977)	$ (41,160)	$ (14,948)
Basic and diluted net loss per share
Net loss per share - basic	$ (0.12)	$ (0.05)	$ (0.36)	$ (0.14)
Net loss per share - diluted	$ (0.12)	$ (0.05)	$ (0.36)	$ (0.14)
Shares used in per share calculation - basic	115,059	109,213	113,641	107,531
Shares used in per share calculation - diluted	115,059	109,213	113,641	107,531
As Reported
Net revenues:
Product		$ 110,789		$ 310,709
Service		37,875		108,708
Total net revenues		148,664		419,417
Cost of revenues:
Product		52,401		155,987
Service		14,117		40,684
Total cost of revenues		66,518		196,671
Gross profit:
Product		58,388		154,722
Service		23,758		68,024
Total gross profit		82,146		222,746
Sales and marketing expenses		38,759		116,824
Operating loss		(3,246)		(15,367)
Net loss before tax		(4,438)		(17,442)
Net loss		$ (5,604)		$ (20,694)
Basic and diluted net loss per share
Net loss per share - basic		$ (0.05)		$ (0.19)
Net loss per share - diluted		$ (0.05)		$ (0.19)
Shares used in per share calculation - basic		109,213		107,531
Shares used in per share calculation - diluted		109,213		107,531
Adjustment | Topic 606
Net revenues:
Product		$ 532		$ 8,760
Total net revenues		532		8,760
Cost of revenues:
Product		(126)		3,164
Total cost of revenues		(126)		3,164
Gross profit:
Product		658		5,596
Total gross profit		658		5,596
Sales and marketing expenses		31		(150)
Operating loss		627		5,746
Net loss before tax		627		5,746
Net loss		$ 627		$ 5,746