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Inventories (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Inventories

Inventories at December 31 are summarized as follows ($ in millions):

		2012				2011
Raw materials		$	56.8			$	47.1
Work in process			26.8				27.6
Finished goods			36.3				29.6
Total inventories		$	119.9			$	104.3

X

- 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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration