Components of Inventories (Detail) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Inventory [Line Items]
Raw materials	$ 335.7	$ 312.2
Work in progress	241.0	240.6
Finished products	201.7	206.0
Inventories	778.4	758.8
Inventory valuation reserve	(85.6)	(83.3)
Total inventories, net of reserve	$ 692.8	$ 675.5

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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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 of valuation reserve for inventory.

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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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