Operating Segment, Geographic Information and Significant Customers - Net Revenue by Product Grouping (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Revenue from External Customer [Line Items]
Net revenues	$ 115,608	$ 107,317	$ 98,014	$ 87,649	$ 85,430	$ 65,898	$ 60,417	$ 58,409	$ 408,588	$ 270,154	$ 234,847
Components
Revenue from External Customer [Line Items]
Net revenues									105,669	31,252	15,543
Modules and Sub-assemblies
Revenue from External Customer [Line Items]
Net revenues									161,973	126,777	107,922
Integrated Subsystems
Revenue from External Customer [Line Items]
Net revenues									$ 140,946	$ 112,125	$ 111,382