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Balance Sheet Components - Property, plant, and equipment (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Jun. 30, 2018
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Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | $ 399,740 | $ 357,988
Land use rights | 8,750 | 9,089
Less: accumulated depreciation | (229,627) | (225,184)
Property, plant and equipment excluding equipment and construction in progress, net | 170,113 | 132,804
Equipment and construction in progress | 198,436 | 198,852
Property, plant and equipment, net | 368,549 | 331,656
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 | 33,836 | 4,325
Manufacturing machinery and equipment |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | 274,818 | 265,192
Equipment and tooling |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | 17,891 | 16,605
Computer equipment and software |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | 26,751 | 25,686
Office furniture and equipment |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | 2,318 | 2,314
Leasehold improvements |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment excluding equipment and construction In progress, gross | $ 30,499 | $ 29,900

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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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