v3.3.1.900
Defined Benefit Plans (Funded Status) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]    
Projected benefit obligation at beginning of period $ 1,163.0 $ 384.6
Acquisitions 0.0 687.1
Service cost 22.3 25.8
Prior service cost 0.8 0.0
Interest cost 42.9 26.8
Actuarial loss (gain) 149.7 (4.8)
Participants’ contributions 11.9 11.8
Benefits paid (38.7) (28.1)
Effect of changes in exchange rates (104.3) 59.8
Projected benefit obligation at end of period 1,247.6 1,163.0
Accumulated benefit obligation at end of period 1,226.1 1,144.7
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
Acquisition 0.0 626.0
Actual earnings of plan assets 114.6 37.0
Group contributions 68.2 44.6
Participants’ contributions 11.9 11.8
Benefits paid (37.9) (27.6)
Effect of changes in exchange rates (91.1) 54.3
Fair value of plan assets at end of period 1,122.7 1,057.0
Net liability $ 124.9 $ 106.0