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Debt (Aggregate Maturities Of Long-Term Debt) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Debt Instruments [Abstract]  
2013 $ 34.8us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2014 1,019.7us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2015 4.5us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2016 4.5us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
2017 504.5us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Thereafter 4,104.5us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
Total $ 5,672.5us-gaap_LongTermDebt