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PENSION AND POST-RETIREMENT PLANS
6 Months Ended
Jun. 30, 2019
PENSION AND POST-RETIREMENT PLANS  
PENSION AND POST-RETIREMENT PLANS

12.          PENSION AND POST-RETIREMENT PLANS

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The Company’s pension and post-retirement plans are described in Note 11 to the Consolidated Financial Statements included in Part II, Item 8 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2018. Components of net periodic benefit cost for the Company’s qualified defined benefit pension and post-retirement plans for the three and six months ended June 30, 2019 and 2018 consisted of the following:

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Pension Benefits

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Post-retirement Benefits

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Three Months Ended June 30, 

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Three Months Ended June 30, 

(In millions)

    

2019

    

2018

    

2019

    

2018

Components of net periodic benefit cost (benefit):

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Service cost

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$

1.1

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$

1.1

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$

0.2

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$

0.1

Interest cost

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2.3

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2.1

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0.3

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0.3

Expected return on plan assets

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(3.2)

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(3.4)

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—

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—

Amortization of net loss

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0.9

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1.3

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0.2

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0.4

Amortization of prior service credit

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(0.6)

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(0.6)

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(1.0)

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(0.9)

Net periodic benefit cost (benefit)

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$

0.5

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$

0.5

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$

(0.3)

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$

(0.1)

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Pension Benefits

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Post-retirement Benefits

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​

Six Months Ended June 30, 

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Six Months Ended June 30, 

(In millions)

    

2019

    

2018

    

2019

    

2018

Components of net periodic benefit cost (benefit):

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Service cost

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$

2.2

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$

2.2

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$

0.3

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$

0.3

Interest cost

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4.6

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4.3

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0.6

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0.5

Expected return on plan assets

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(6.3)

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(6.8)

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—

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—

Amortization of net loss

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1.8

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2.4

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0.4

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0.8

Amortization of prior service credit

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(1.2)

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(1.2)

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(1.9)

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(1.8)

Net periodic benefit cost (benefit)

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$

1.1

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$

0.9

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$

(0.6)

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$

(0.2)

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