Schedule of Inventories (Detail) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Inventories
Finished products	$ 142.8	$ 136.8
Work in process	21.6	21.7
Raw materials	171.7	168.3
Inventories, at FIFO cost	336.1	326.8
LIFO reserve	(23.8)	(23.8)
Net inventory	$ 312.3	$ 303.0

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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