Balance Sheet Components - Property, plant, and equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	$ 657,895	$ 634,251
Less accumulated depreciation	(371,836)	(320,751)
Property, plant and equipment excluding equipment and construction in progress, net	286,059	313,500
Equipment and construction in progress	28,038	23,119
Property, plant and equipment, net	314,097	336,619
Depreciation expense	54,200	50,500	$ 40,400
Capitalized software development costs	200	600	500
Capitalized computer software, amortization	500	600	$ 400
Unamortized capitalized software development costs	700	1,000
Finance lease liabilities	1,007	935
Accumulated depreciation	1,684	1,171
Land
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	4,877	4,877
Building and building improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	71,961	71,266
Manufacturing machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	442,462	423,960
Equipment and tooling
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	37,918	36,203
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	53,509	53,081
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	3,267	3,193
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment excluding equipment and construction In progress, gross	$ 43,901	$ 41,671