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WORKERS' COMPENSATION AND PNEUMOCONIOSIS (Tables)
 3 Months Ended
Mar. 31, 2017
Accrued Workers Compensation And Pneumoconiosis Benefits  
Reconciliation of changes in workers' compensation liability

 

 

 

 

 

 

 

 

 

    

Three Months Ended

 

 

 

March 31, 

 

 

 

2017

    

2016

 

 

    (in thousands)

 

Beginning balance

 

$

48,131

 

$

54,558

 

Accruals increase

 

 

1,974

 

 

3,237

 

Payments

 

 

(2,925)

 

 

(2,723)

 

Interest accretion

 

 

420

 

 

492

 

Ending balance

 

$

47,600

 

$

55,564

 

 

Pneumoconiosis benefits  
Accrued Workers Compensation And Pneumoconiosis Benefits  
Components of net periodic benefit cost

 

 

 

 

 

 

 

 

 

 

Three Months Ended

 

 

 

March 31, 

 

 

    

2017

    

2016

 

 

    (in thousands)

Service cost

 

$

546

 

$

648

 

Interest cost

 

 

629

 

 

627

 

Amortization of net actuarial gain (1)

 

 

(567)

 

 

(661)

 

Net periodic benefit cost

 

$

608

 

$

614

 

(1)

Amortization of net actuarial gain is included in the Operating expenses (excluding depreciation, depletion and amortization) line item within our condensed consolidated statements of income.