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Pension Plans And Other Postretirement Benefits (Tables)
9 Months Ended
Sep. 30, 2025
Pension Plans And Other Postretirement Benefits [Abstract]  
Components Of Net Periodic Benefit Costs

Pension Benefits

Three Months Ended

Nine Months Ended

September 30,

September 30,

2025

2024

2025

2024

Service cost

$

304

$

358

$

912

$

1,072

Interest cost

3,991

3,908

11,973

11,724

Expected return on plan assets

(4,266)

(4,696)

(12,798)

(14,088)

Amortization of prior service cost

78

82

234

244

Amortization of actuarial loss

833

751

2,499

2,253

Net periodic benefit cost

$

940

$

403

$

2,820

$

1,205

Other

Postretirement Benefits

Three Months Ended

Nine Months Ended

September 30,

September 30,

2025

2024

2025

2024

Service cost

$

372

$

363

$

1,116

$

1,089

Interest cost

1,132

1,113

3,396

3,337

Expected return on plan assets

(1,071)

(1,105)

(3,213)

(3,315)

Amortization of actuarial gain

(401)

(267)

(1,203)

(801)

Net periodic benefit cost

$

32

$

104

$

96

$

310