Inventories (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Inventories, net:
Manufacturing supplies	$ 29.6	$ 24.7
Raw materials	57.5	58.8
Work in process	193.3	181.9
Finished products	322.5	296.2
Subtotal	602.9	561.6
Allowance for obsolete and surplus inventory	(27.0)	(18.4)
Total Inventories, net	$ 575.9	$ 543.2

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 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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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of products used directly or indirectly in the manufacturing or production process, which may or may not become part of the final product. May also include items used in the storage, presentation or transportation of physical goods.

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Amount of valuation reserve for inventory.

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