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Pension and Post-Retirement Benefit Plans
3 Months Ended
Mar. 31, 2020
Retirement Benefits [Abstract]  
Pension and Post-Retirement Benefit Plans
The components of net periodic benefit cost for pensions benefits were as follows (in millions):
For the Three Months Ended March 31,
20202019
Service cost$1.4  $1.2  
Interest cost1.8  3.5  
Expected return on plan assets(2.2) (4.7) 
Recognized actuarial loss1.5  2.0  
Net periodic benefit cost$2.5  $2.0