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PENSION AND POST-RETIREMENT PLANS
6 Months Ended
Jun. 30, 2026
PENSION AND POST-RETIREMENT PLANS  
PENSION AND POST-RETIREMENT PLANS

15.          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, 2025. Components of net periodic benefit cost and other amounts recognized in Other Comprehensive Income (Loss) for the qualified pension plans and the post-retirement benefit plans for the three and six months ended June 30, 2026 and 2025 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)

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2026

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2025

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2026

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2025

Components of net periodic benefit cost (credit):

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Service cost

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$

1.3

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$

1.1

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$

—

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$

0.1

Interest cost

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2.5

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2.6

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0.3

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0.2

Expected return on plan assets

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(3.8)

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(4.4)

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—

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—

Amortization of net actuarial loss (gain)

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—

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—

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(0.1)

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(0.1)

Amortization of prior service credit

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—

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—

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(0.6)

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(1.0)

Net periodic benefit credit

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$

—

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$

(0.7)

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$

(0.4)

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$

(0.8)

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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)

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

2026

  ​ ​ ​

2025

Components of net periodic benefit cost (credit):

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​

​

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​

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​

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Service cost

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$

2.5

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$

2.2

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$

0.1

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$

0.1

Interest cost

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5.1

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5.2

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0.5

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0.5

Expected return on plan assets

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(8.2)

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(8.8)

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—

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—

Amortization of net actuarial loss (gain)

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—

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—

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(0.3)

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(0.3)

Amortization of prior service credit

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—

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—

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(1.1)

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(1.9)

Net periodic benefit credit

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$

(0.6)

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$

(1.4)

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$

(0.8)

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$

(1.6)

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