Inventories (Components of Inventory) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Components of inventory
Raw materials and supplies	$ 88.9	$ 85.0
Work in process	49.8	48.9
Finished goods	189.1	182.0
LIFO reserve	1.9	1.9
Inventories, net	$ 329.7	$ 317.8

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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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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- Definition

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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