Plant Closure (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2011	Sep. 30, 2012 Plant Closure [Member] employee	Sep. 30, 2011 Plant Closure [Member]	Sep. 30, 2012 Compensation Expense [Member] Plant Closure [Member]	Sep. 30, 2012 Foreign Currency Exchange Loss [Member] Plant Closure [Member]	Sep. 30, 2012 Inventory Valuation Loss, Accelerated Depreciation, And General And Administrative [Member] Plant Closure [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Plant closing costs	$ 0.8	$ 11.0		$ 11.0	$ 7.5	$ 1.5	$ 2.0
Number of plant employees terminated			1,500