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Note 5 - Components of Coal Workers' Pneumoniosis (CWP) and Workers' Compensation Net Periodic Benefit Costs
6 Months Ended
Jun. 30, 2020
Notes to Financial Statements  
Pneumoconiosis Benefits And Workers Compensation Disclosure [Text Block]

NOTE 5—COMPONENTS OF COAL WORKERS’ PNEUMOCONIOSIS (CWP) AND WORKERS’ COMPENSATION NET PERIODIC BENEFIT COSTS:

 

The components of Net Periodic Benefit Cost are as follows:

 

   

CWP

   

Workers' Compensation

 
   

Three Months Ended

   

Six Months Ended

   

Three Months Ended

   

Six Months Ended

 
   

June 30,

   

June 30,

   

June 30,

   

June 30,

 
   

2020

   

2019

   

2020

   

2019

   

2020

   

2019

   

2020

   

2019

 

Service Cost

  $ 1,151     $ 948     $ 2,302     $ 1,896     $ 1,569     $ 1,421     $ 3,138     $ 2,842  

Interest Cost

    1,552       1,750       3,103       3,500       461       646       922       1,293  

Amortization of Actuarial Loss (Gain)

    1,401       254       2,802       508       (122 )     (193 )     (244 )     (387 )

State Administrative Fees and Insurance Bond Premiums

                            461       574       1,082       1,161  

Net Periodic Benefit Cost

  $ 4,104     $ 2,952     $ 8,207     $ 5,904     $ 2,369     $ 2,448     $ 4,898     $ 4,909