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Note 12 - Other Accrued Liabilities
12 Months Ended
Dec. 31, 2020
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]

NOTE 12OTHER ACCRUED LIABILITIES:

 

  

December 31,

 
  

2020

  

2019

 

Subsidence Liability

 $89,554  $90,645 

Accrued Payroll and Benefits

  21,179   21,102 
Accrued Other Taxes  7,126   4,753 

Accrued Equipment Obligations

  6,698    

Accrued Interest

  6,236   6,281 

Other

  23,845   16,281 

Current Portion of Long-Term Liabilities:

        

Postretirement Benefits Other than Pensions

  26,073   31,833 

Asset Retirement Obligations

  20,587   21,741 

Operating Lease Liability

  20,241   19,479 

Pneumoconiosis Benefits

  12,203   12,331 

Workers' Compensation

  9,653   11,323 

Total Other Accrued Liabilities

 $243,395  $235,769