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EMPLOYEE BENEFIT PLANS (Tables)
 6 Months Ended
Jun. 30, 2020
Pension Plan  
Defined Benefit Plans and Other Postretirement Benefit Plans  
Schedule of Aggregated Net Periodic Benefit Cost and Other Benefit Cost
The following table sets forth the aggregated net periodic benefit cost for all pension plans for the second quarters and six months ended June 30, 2020 and June 30, 2019:
(In millions)Pension Benefits
Second Quarter EndedSix Months Ended
 June 30, 2020June 30, 2019June 30, 2020June 30, 2019
Service cost$0.2  $0.2  $0.3  $0.4  
Interest cost1.1  1.5  2.2  3.0  
Expected return on assets(1.7) (2.0) (3.4) (4.0) 
Amortization of:
Prior service cost—  —  —  —  
Actuarial loss0.9  0.7  1.8  1.3  
Settlement cost—  —  —  —  
Net periodic benefit cost$0.5  $0.4  $0.9  $0.7  
Other Benefits  
Defined Benefit Plans and Other Postretirement Benefit Plans  
Schedule of Aggregated Net Periodic Benefit Cost and Other Benefit Cost
The following table sets forth the aggregated net periodic benefit cost for the other post-retirement benefit plan for the second quarters and six months ended June 30, 2020 and June 30, 2019:

(In millions)Other Benefits
Second Quarter EndedSix Months Ended
June 30, 2020June 30, 2019June 30, 2020June 30, 2019
Service cost$—  $—  $—  $—  
Interest cost—  0.1  0.1  0.2  
Expected return on assets—  —  —  —  
Amortization of:
Prior service cost—  —  —  —  
Actuarial loss—  —  —  —  
Settlement cost—  —  —  —  
Net periodic benefit cost$—  $0.1  $0.1  $0.2