Inventories (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Inventories, net:
Manufacturing supplies	$ 29.6	$ 24.7
Raw materials	57.8	58.8
Work in process	182.5	181.9
Finished products	301.6	296.2
Subtotal	571.5	561.6
Allowance for obsolete and surplus inventory	(20.2)	(18.4)
Total Inventories, net	$ 551.3	$ 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
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher SEC
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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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