INVENTORIES (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Inventory Disclosure [Abstract]
Supplies	$ 131.4	$ 115.6	$ 113.9
Raw materials	189.4	180.7	123.1
Work in process	175.2	155.2	134.3
Finished goods	557.3	523.3	366.2
Inventories excluding LIFO reserve	1,053.3	974.8	737.5
LIFO reserve	(144.1)	(106.5)	(58.0)
Inventories, net	$ 909.2	$ 868.3	$ 679.5

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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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods.

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

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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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Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer.

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