Three Months Ended

Six Months Ended

June 30,

(In thousands)

2024

2023

2024

2023

Pension Benefits

Components of net periodic benefit cost:

Service cost

$

780

$

694

$

1,539

$

1,446

Interest cost

4,315

4,337

8,559

8,659

Expected return on assets

(7,148

)

(6,302

)

(14,299

)

(12,624

)

Amortization of:

Actuarial loss

313

492

429

880

Net periodic benefit (credit) cost

$

(1,740

)

$

(779

)

$

(3,772

)

$

(1,639

)

Postretirement Benefits

Components of net periodic benefit cost:

Service cost

$

217

$

190

$

428

$

390

Interest cost

779

835

1,576

1,654

Expected return on assets

(693

)

(646

)

(1,384

)

(1,297

)

Amortization of:

Transition obligation

—

—

1

1

Prior service credit

(4

)

—

(8

)

—

Actuarial (gain) loss

(129

)

(65

)

(206

)

(95

)

Net periodic benefit (credit) cost

$

170

$

314

$

407

$

653