INVENTORIES - Summary of Inventories Stated at Lower Cost (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Sep. 30, 2020
Inventory Disclosure [Abstract]
Raw materials and supplies	$ 163,639	$ 146,351
Work in process	87,109	83,697
Finished goods	259,561	183,777
Total	$ 510,309	$ 413,825

No definition available.

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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