Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Goodwill [Line Items]
Beginning balance	$ 11,168
Goodwill acquired	16,463
Goodwill	27,631	$ 11,168
Ending Balance	27,631
Semiconductor
Goodwill [Line Items]
Beginning balance	5,905
Goodwill		5,905
Ending Balance	5,905
Material and Substrate
Goodwill [Line Items]
Beginning balance	5,263
Goodwill acquired	16,463
Goodwill	21,726	$ 5,263
Ending Balance	$ 21,726