Inventories (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Inventory Disclosure [Abstract]
Finished goods	$ 310.8	$ 280.1
Work in process	12.4	6.5
Raw materials and repair parts	262.1	207.8
Total	585.3	494.4
Excess of current cost over last-in, first-out cost	(74.4)	(55.0)
Total inventories, net	510.9	439.4
Pre-tax income (loss) from LIFO inventory liquidations	0.7	0.2	$ 0.0
Reserve balance obsolete and slow moving inventories	$ 26.5	$ 24.6

reserve balance obsolete and slow moving inventories

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- Definition

The effect of liquidating LIFO (last in first out) inventory layers on income.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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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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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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