Segment and Geographic Information - Long-lived Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Jun. 30, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	$ 112,497	$ 119,579
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	65,832	71,618
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	46,115	47,439
Other Countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	$ 550	$ 522