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Employee Benefit Plans
6 Months Ended
Jun. 30, 2020
Retirement Benefits [Abstract]  
Employee Benefit Plans EMPLOYEE BENEFIT PLANS
Components of the net periodic benefit cost for the Company's pension and post-retirement plans for the three and six months ended June 30, 2020 and 2019 are shown below (in millions):
Three Months Ended June 30, Six Months Ended June 30,
2020201920202019
Service cost$0.2  $0.6  $0.4  $1.1  
Interest cost1.8  2.1  3.5  4.2  
Expected return on plan assets(1.7) (1.8) (3.4) (3.6) 
Amortization of net loss0.6  1.0  1.2  2.0  
Amortization of prior service credit—  (0.2) —  (0.3) 
Net periodic benefit cost$0.9  $1.7  $1.7  $3.4  
The Company has made no contributions to its defined benefit pension plans during the six months ended June 30, 2020 and does not expect to make any such contributions in the current fiscal year.