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Components of Pension and Other Post-employment Benefit (OPEB) Plans Net Periodic Benefit Costs (Tables)
 9 Months Ended
Sep. 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
September 30,		Nine Months Ended
September 30,		Three Months Ended
September 30,		Nine Months Ended
September 30,
20242023202420232024202320242023
Service Cost$302 $304 $906 $913 $— $— $— $— 
Interest Cost6,431 6,756 19,293 20,270 2,758 3,261 8,274 9,783 
Expected Return on Plan Assets(7,991)(9,867)(23,973)(29,602)— — — — 
Amortization of Prior Service Credits— — — — (601)(601)(1,804)(1,804)
Amortization of Actuarial Loss (Gain)1,567 185 4,699 555 (70)— (209)— 
Net Periodic Benefit Cost (Credit)$309 ($2,622)$925 ($7,864)$2,087 $2,660 $6,261 $7,979