PROPERTY, PLANT AND EQUIPMENT - Summary of property plant and equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 697,206	$ 662,939
Accumulated depreciation and amortization	(403,678)	(374,642)
Total	293,528	288,297
Land, building and building improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	160,233	153,076
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	498,656	472,030
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	38,317	37,833
Construction in Progress
Property, Plant and Equipment [Line Items]
Machinery and equipment	$ 33,239	$ 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.

+ References

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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