PROPERTY, PLANT AND EQUIPMENT - Schedule of Property Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Sep. 30, 2024
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	$ 678,931	$ 662,939
Accumulated depreciation	(387,178)	(374,642)
Total	291,753	288,297
Land, building and building improvements
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	155,079	153,076
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	486,250	472,030
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property plant and equipment gross	37,602	37,833
Construction in Progress
Property, Plant and Equipment [Line Items]
Machinery and equipment	$ 39,002	$ 36,443

Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

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Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

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