v3.3.1.900
Defined Benefit Plans (Net Periodic Pension Cost Recorded) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]    
Service cost $ 22.3 $ 25.8
Interest cost 42.9 26.8
Expected return on plan assets (53.7) (30.0)
Other (1.9) (1.1)
Net periodic pension cost $ 9.6 $ 21.5