Balance Sheet Components - Property, plant, and equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	$ 655,263	$ 465,219
Less accumulated depreciation	(291,515)	(252,982)
Property, plant and equipment excluding equipment and construction in progress, net	363,748	212,237
Equipment and construction in progress	48,592	197,500
Property, plant and equipment, net	412,340	409,737
Depreciation expense	43,900	31,900	$ 29,200
Capitalized software development costs	1,000	800	300
Capitalized Computer Software, Amortization	500	500	$ 600
Unamortized capitalized software development costs	1,400	900
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	58,875	36,205
Manufacturing machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	447,079	303,750
Equipment and tooling
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	25,398	20,739
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	38,779	34,048
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	3,529	3,243
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	68,224	53,597
Land use rights
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	8,502	8,760
Computer software
Property, Plant and Equipment [Line Items]
Gross amount of computer software recorded under capital lease	13,700	13,700
Accumulated depreciation on computer software recorded under capital lease	$ 10,100	$ 8,200

Property, Plant, and Equipment Excluding Equipment and Construction In Progress, Gross

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Property, Plant and Equipment Excluding Equipment and Construction In Progress, Net

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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Additions made to capitalized computer software costs during the period.

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Amount of expense for amortization of capitalized computer software costs.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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