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Components of Pension and Other Post-employment Benefit (OPEB) Plans Net Periodic Benefit Costs (Tables)
 6 Months Ended
Jun. 30, 2024
Retirement Benefits [Abstract]  
Schedule of Defined Benefit Plans Disclosures
The components of Net Periodic Benefit Cost (Credit) are as follows:
Pension BenefitsOther Post-Employment Benefits
Three Months Ended
June 30,		Six Months Ended
June 30,		Three Months Ended
June 30,		Six Months Ended
June 30,
20242023202420232024202320242023
Service Cost$302 $305 $604 $609 $— $— $— $— 
Interest Cost6,431 6,757 12,862 13,514 2,758 3,261 5,516 6,522 
Expected Return on Plan Assets(7,991)(9,868)(15,982)(19,735)— — — — 
Amortization of Prior Service Credits— — — — (602)(602)(1,203)(1,203)
Amortization of Actuarial Loss (Gain)1,566 185 3,132 370 (69)— (139)— 
Net Periodic Benefit Cost (Credit)$308 $(2,621)$616 $(5,242)$2,087 $2,659 $4,174 $5,319