The Company and Significant Accounting Policies (Tables)

12 Months Ended

Jun. 30, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Property, Plant and Equipment

Depreciation is provided for on a straight-line basis over the estimated useful lives of the related assets as follows:

 

Building and building improvements	20 years
Manufacturing machinery and equipment	7 to 10 years
Equipment and tooling	3 to 5 years
Computer hardware and software	3 to 5 years
Office furniture and equipment	3 to 5 years
Leasehold improvements	2 to 15 years
Vehicle	5 years

Property, plant and equipment, net

	June 30,
	2025		2024
	(in thousands)
Land	$	4,877	$	4,877
Building and building improvements	71,961		71,266
Manufacturing machinery and equipment	442,462		423,960
Equipment and tooling	37,918		36,203
Computer equipment and software	53,509		53,081
Office furniture and equipment	3,267		3,193
Leasehold improvements	43,901		41,671
	657,895		634,251
Less: accumulated depreciation and amortization	(371,836)		(320,751)
	286,059		313,500
Equipment and construction in progress	28,038		23,119
Property, plant and equipment, net	$	314,097	$	336,619

Schedule of Finite-Lived Intangible Assets

Intangible assets, net

	June 30,
	2025		2024
	(in thousands)
Patents and technology rights	$	18,037	$	18,037
Trade name	268		268
Customer relationships	1,150		1,150
	19,455		19,455
Less: accumulated amortization	(19,455)		(16,208)
	—		3,247
Goodwill	269		269
Intangible assets, net	$	269	$	3,516