Detail of Selected Balance Sheet Accounts - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Sep. 30, 2023
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 245,565	$ 243,312
Less: Accumulated depreciation	(148,910)	(145,687)
Total property, plant and equipment, net	96,655	97,625
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	21,606	21,526
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	124,070	121,454
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	94,683	92,477
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,803	3,726
Construction in process
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,403	$ 4,129