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Employee Benefit Plans (Details 6) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Net periodic pension/postretirement benefit (income) expense      
Net periodic pension and postretirement benefit (income) expense $ (17.7) $ 158.0 $ 51.5
Domestic Pension Plans
      
Accumulated benefit obligations in excess of the fair value of plan assets      
Projected benefit obligation 140.5 1,345.8  
Accumulated benefit obligation 135.9 1,331.5  
Fair value of plan assets 0.9 936.8  
Accumulated benefit obligation 556.1 1,331.5  
Net periodic pension/postretirement benefit (income) expense      
Service cost 7.6 9.8 9.9
Interest cost 45.6 54.4 57.4
Expected return on plan assets (73.2) (61.8) (60.3)
Amortization of unrecognized prior service credits   (0.6) (0.9)
Recognized net actuarial (gains) losses (3.3) 121.4 40.7
Net periodic pension and postretirement benefit (income) expense (23.3) 123.2 46.8
Weighted-average actuarial assumptions used in determining net periodic pension expense:      
Discount rate (as a percent) 3.85% 4.69% 5.22%
Rate of increase in compensation levels (as a percent) 3.75% 3.75% 4.00%
Expected long-term rate of return on assets (as a percent) 7.25% 7.25% 7.25%
Weighted-average actuarial assumptions used in determining year-end benefit obligations:      
Discount rate (as a percent) 4.77% 3.74% 4.69%
Rate of increase in compensation levels (as a percent) 3.75% 3.75% 3.75%
Foreign Pension Plans
      
Accumulated benefit obligations in excess of the fair value of plan assets      
Projected benefit obligation 117.7 119.3  
Accumulated benefit obligation 114.3 116.4  
Fair value of plan assets 49.0 48.5  
Accumulated benefit obligation 331.7 314.8  
Net periodic pension/postretirement benefit (income) expense      
Service cost 2.7 2.5  
Service cost 2.7 2.8 2.8
Interest cost 13.4 14.3  
Interest cost 13.4 14.6 14.2
Expected return on plan assets (17.6) (16.6) (16.2)
Recognized net actuarial (gains) losses 8.2 23.6 13.3
Net periodic pension and postretirement benefit (income) expense 6.7 24.4 14.1
Less: Net periodic pension benefit (income) expense of discontinued operations 2.8 (2.1) (11.5)
Net periodic pension benefit expense of continuing operations 9.5 22.3 2.6
Weighted-average actuarial assumptions used in determining net periodic pension expense:      
Discount rate (as a percent) 4.35% 5.10% 5.42%
Rate of increase in compensation levels (as a percent) 3.91% 3.92% 4.15%
Expected long-term rate of return on assets (as a percent) 6.45% 6.56% 7.00%
Weighted-average actuarial assumptions used in determining year-end benefit obligations:      
Discount rate (as a percent) 4.23% 4.35% 5.10%
Rate of increase in compensation levels (as a percent) 3.92% 3.91% 3.92%
Postretirement Plans
      
Net periodic pension/postretirement benefit (income) expense      
Service cost 0.5 0.5 0.4
Interest cost 4.8 6.1 7.0
Amortization of unrecognized prior service credits (1.4) (1.4) (1.4)
Recognized net actuarial (gains) losses (7.8) 7.3 (3.9)
Net periodic pension and postretirement benefit (income) expense (3.9) 12.5 2.1
Weighted-average actuarial assumptions used in determining net periodic pension expense:      
Discount rate (as a percent) 3.37% 4.36% 4.85%
Weighted-average actuarial assumptions used in determining year-end benefit obligations:      
Discount rate (as a percent) 4.23% 3.37% 4.36%
Assumed health care cost trend rates:      
Heath care cost trend rate for next year (as a percent) 6.98% 7.13% 7.52%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) (as a percent) 5.00% 5.00% 5.00%
Year that the rate reaches the ultimate trend rate 2024 2019 2019
Effects on postretirement expense of a percentage point change in assumed health care cost trend rates      
Effect of 1% increase on total of service and interest costs 8.1    
Effect of 1% decrease on total of service and interest costs $ 7.3