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Goodwill (Tables)
 12 Months Ended
Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill

The changes in the carrying amount of goodwill, by reportable segment, are as follows, in thousands:

 

 

 

Thermal Processing Solutions

 

 

Semiconductor Fabrication Solutions

 

 

Total Goodwill

 

Goodwill

 

$

5,905

 

 

$

21,726

 

 

$

27,631

 

Accumulated impairment losses

 

 

—

 

 

 

—

 

 

 

—

 

Balance at September 30, 2023

 

 

5,905

 

 

 

21,726

 

 

 

27,631

 

Goodwill acquired

 

 

—

 

 

 

—

 

 

 

—

 

Impairment of goodwill

 

 

—

 

 

 

(6,370

)

 

 

(6,370

)

Balance at September 30, 2024

 

$

5,905

 

 

$

15,356

 

 

$

21,261

 

Goodwill

 

$

5,905

 

 

$

21,726

 

 

$

27,631

 

Accumulated impairment losses

 

 

—

 

 

 

(6,370

)

 

 

(6,370

)

Balance at September 30, 2024

 

$

5,905

 

 

$

15,356

 

 

$

21,261