Three Months Ended

Nine Months Ended

September 30,

September 30,

(In thousands)

2022

2021

2022

2021

Pension Benefits

Components of net periodic benefit cost:

Service cost

$

1,266

$

1,432

$

3,798

$

4,296

Interest cost

2,791

2,280

8,371

6,840

Expected return on assets

(7,848

)

(7,372

)

(23,543

)

(22,115

)

Amortization of:

Prior service credit

(5

)

(31

)

(15

)

(93

)

Actuarial loss

604

1,662

1,812

4,985

Net periodic benefit (credit) cost

$

(3,192

)

$

(2,029

)

$

(9,577

)

$

(6,087

)

Postretirement Benefits

Components of net periodic benefit cost:

Service cost

$

323

$

362

$

970

$

1,086

Interest cost

485

387

1,455

1,161

Expected return on assets

(842

)

(819

)

(2,524

)

(2,457

)

Amortization of:

Transition obligation

1

1

2

2

Prior service credit

(74

)

(379

)

(223

)

(1,138

)

Actuarial loss

37

123

109

370

Net periodic benefit (credit) cost

$

(70

)

$

(325

)

$

(211

)

$

(976

)