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Employee Benefit Plans
3 Months Ended
Mar. 31, 2024
Compensation Related Costs [Abstract]  
Employee Benefit Plans Employee Benefit Plans
The components of net periodic benefit cost other than the service cost component for black lung are included in the line item miscellaneous (expense) income, net in the Condensed Consolidated Statements of Operations.
Pension

The following table details the components of the net periodic benefit cost for pension obligations:
Three Months Ended March 31,
20242023
Interest cost$5,749 $5,958 
Expected return on plan assets(5,742)(5,484)
Amortization of net actuarial loss 298 137 
Net periodic benefit cost$305 $611 

The Company expects to pay $12,320 in minimum required contributions to the pension plan in 2024.

Black Lung

The following table details the components of the net periodic benefit cost for black lung obligations:
Three Months Ended March 31,
20242023
Service cost$601 $513 
Interest cost1,307 1,165 
Expected return on plan assets(13)(13)
Amortization of net actuarial loss (gain)721 (708)
Net periodic benefit cost$2,616 $957