BALANCE SHEET COMPONENTS - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Jun. 30, 2025
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 168,628	$ 159,821
Less: Accumulated depreciation and amortization	(94,624)	(86,326)
Property and equipment, net	74,004	73,495
Testing equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	20,582	20,581
Tooling equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	33,766	26,528
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	28,828	27,578
Computer and other equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	9,232	8,141
Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	8,249	9,016
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,164	2,170
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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