BALANCE SHEET COMPONENTS - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Jun. 30, 2024
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 153,734	$ 159,697
Less: Accumulated depreciation and amortization	(82,427)	(78,571)
Property and equipment, net	71,307	81,126
Testing equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	19,107	18,964
Tooling equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	23,380	26,892
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	26,381	26,264
Computer and other equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	7,932	10,482
Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	8,985	9,375
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,142	1,913
Corporate aircraft
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 65,807	$ 65,807

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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