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PENSION AND POST-RETIREMENT PLANS (Tables)
6 Months Ended
Jun. 30, 2023
PENSION AND POST-RETIREMENT PLANS  
Components of net periodic benefit cost (benefit)

Pension Benefits

Post-retirement Benefits

Three Months Ended June 30, 

Three Months Ended June 30, 

(In millions)

    

2023

    

2022

    

2023

    

2022

Components of net periodic benefit cost (benefit):

Service cost

$

1.0

$

1.2

$

$

0.1

Interest cost

 

2.5

 

1.6

 

0.2

 

0.2

Expected return on plan assets

 

(3.7)

 

(4.0)

 

 

Amortization of net loss (gain)

 

0.4

 

0.9

 

(0.5)

 

0.2

Amortization of prior service credit

 

 

(0.2)

 

(0.9)

 

(0.9)

Net periodic benefit cost (benefit)

$

0.2

$

(0.5)

$

(1.2)

$

(0.4)

Pension Benefits

Post-retirement Benefits

Six Months Ended June 30, 

Six Months Ended June 30, 

(In millions)

    

2023

    

2022

    

2023

    

2022

Components of net periodic benefit cost (benefit):

Service cost

$

2.0

$

2.4

$

0.1

$

0.3

Interest cost

 

5.0

 

3.3

 

0.4

 

0.4

Expected return on plan assets

 

(7.4)

 

(7.9)

 

 

Amortization of net loss (gain)

 

0.7

 

1.7

 

(1.0)

 

0.4

Amortization of prior service credit

 

 

(0.5)

 

(1.8)

 

(1.8)

Net periodic benefit cost (benefit)

$

0.3

$

(1.0)

$

(2.3)

$

(0.7)