v3.3.1.900
Defined Benefit Plans (Fair Value of Plan Assets) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets at beginning of period $ 1,057.0 $ 310.9
Actual return on plan assets:    
Foreign currency translation adjustments (91.1) 54.3
Fair value of plan assets at end of period 1,122.7 1,057.0
Level 3 [Member]    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets at beginning of period 161.2  
Actual return on plan assets:    
Gains relating to assets still held at year-end 14.6  
Purchases, sales and settlements of investments, net (1.2)  
Foreign currency translation adjustments (9.6)  
Fair value of plan assets at end of period $ 165.0 $ 161.2