Inventories (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Components of inventories
Finished goods	$ 258.4	$ 402.9
Work in process	5.7	6.0
Raw materials and parts	204.8	198.8
Subtotal	468.9	607.7
Excess of current cost over last-in, first-out cost	(60.2)	(63.6)
Total inventories, net	$ 408.7	$ 544.1

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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