CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
StatementOfIncomeAndComprehensiveIncomeAbstract
Net income (loss)	$ 11.6	$ 58.3
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	(13.0)	9.4
OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0.1	0.1
OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	13.1	(18.2)
OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax	0.7	2.5
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	5.4	(6.0)
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax	8.4	(9.7)
OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract
Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax	33.5	29.9
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax	0	0
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Benefit Cost, before Tax	(3.8)	(2.9)
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax	11.5	10.3
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax	18.2	16.7
Other Comprehensive Income Loss Net Of Tax	13.7	16.5
Comprehensive income (loss)	25.3	74.8
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	2.1	2.7
Comprehensive Income Net Of Tax	$ 23.2	$ 72.1