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Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Schedule of inventories by major class

The following schedule details inventories by major class ($ in millions):

	September 30, 2013				December 31, 2012
Raw materials	$	24.8			$	31.5
Work in process	25.1				23.4
Finished goods	42.6				36.8
Supplies and other	18.5				19.9
Total	$	111.0			$	111.6

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- Definition

Tabular disclosure of the carrying 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 2

-Paragraph 6

-Subparagraph a,b,c

-Article 5

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