Financial Information for Subsidiary and Guarantor Parent (Comp Inc.) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
StatementOfIncomeAndComprehensiveIncomeAbstract
Net income (loss)	$ 6.6	$ 58.7	$ 18.2	$ 117.0
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	4.5	(14.6)	(8.5)	(5.2)
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	(0.1)	0	0	0.1
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	(9.4)	10.1	(1.0)	0.4
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax	(18.3)	(16.6)	(36.5)	(33.3)
Other Comprehensive Income Loss Net Of Tax	13.3	12.1	27.0	28.6
Comprehensive income (loss)	19.9	70.8	45.2	145.6
ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	4.1	1.1	6.2	3.8
Comprehensive Income Net Of Tax	15.8	69.7	39.0	141.8
[ParentCompanyMember]
StatementOfIncomeAndComprehensiveIncomeAbstract
Net income (loss)	6.6	58.7	18.2	117.0
Comprehensive Income Net Of Tax	19.9	70.8	45.2	145.6
[SubsidiariesMember]
StatementOfIncomeAndComprehensiveIncomeAbstract
Net income (loss)	(10.3)	11.9	(15.8)	34.9
Comprehensive Income Net Of Tax	(10.2)	11.6	(15.6)	34.3
[NonGuarantorSubsidiariesMember]
StatementOfIncomeAndComprehensiveIncomeAbstract
Net income (loss)	51.8	87.5	106.3	169.9
Comprehensive Income Net Of Tax	52.8	72.3	92.8	161.9
[ConsolidationEliminationsMember]
StatementOfIncomeAndComprehensiveIncomeAbstract
Net income (loss)	(41.5)	(99.4)	(90.5)	(204.8)
Comprehensive Income Net Of Tax	$ (46.7)	$ (85.0)	$ (83.4)	$ (200.0)