Inventories (Details) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Components of inventories
Finished goods	$ 431.3	$ 330.5
Work in process	6.2	10.0
Raw materials and parts	252.4	229.1
Subtotal	689.9	569.6
Excess of current cost over last-in, first-out cost	(59.7)	(59.8)
Total inventories, net	$ 630.2	$ 509.8

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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