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Balance Sheet Components - Property, plant, and equipment (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Jun. 30, 2017
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Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | $ 341,407 | $ 302,292
Land Use Rights, Gross | 9,566 | 8,849
Less: accumulated depreciation | (222,568) | (194,882)
Property, plant and equipment excluding equipment and construction in progress, net | 118,839 | 107,410
Equipment and construction in progress | 139,956 | 40,781
Property, plant and equipment, net | 258,795 | 148,191
Land |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | 4,877 | 4,877
Building |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | 4,325 | 4,325
Manufacturing machinery and equipment |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | 250,341 | 215,275
Equipment and tooling |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | 15,098 | 13,549
Computer equipment and software |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | 25,310 | 24,346
Office furniture and equipment |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | 2,150 | 1,935
Leasehold improvements |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | $ 29,740 | $ 29,136

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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