Major Customers and Foreign Sales

9 Months Ended

Jun. 30, 2025

Geographic Areas, Revenues from External Customers [Abstract]

Major Customers and Foreign Sales

11. Major Customers and Foreign Sales

During the nine months ended June 30, 2025, one customer of both our Thermal Processing Solutions and Semiconductor Fabrication Solutions segments accounted for 11% of our net revenues. During the nine months ended June 30, 2024, one Thermal Processing Solutions segment customer represented 11% of our net revenues.

Our net revenues were from customers in the following geographic regions:

	Nine Months Ended June 30,
	2025			2024
United States		27	%		40	%
Canada		1	%		1	%
Mexico		1	%		1	%
Other		2	%		—	%
Total Americas		31	%		42	%
China		18	%		20	%
Malaysia		8	%		11	%
Taiwan		21	%		6	%
Other		6	%		4	%
Total Asia		53	%		41	%
Germany		2	%		7	%
Hungary		3	%		—	%
Czech Republic		2	%		3	%
Austria		—	%		1	%
Other		9	%		6	%
Total Europe		16	%		17	%
		100	%		100	%