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Accrued Expenses and Other Current Liabilities
9 Months Ended
Sep. 30, 2018
Payables and Accruals [Abstract]  
Accrued Expenses and Other Current Liabilities
Accrued Expenses and Other Current Liabilities
Accrued expenses and other current liabilities consist of the following:
 
 
September 30,
 
December 31,
 
 
2018
 
2017
 
 
(In thousands)
Payroll and employee benefits
 
$
48,961

 
$
53,149

Taxes other than income taxes
 
72,095

 
77,017

Interest
 
237

 
246

Acquired sales contracts
 
562

 
934

Workers’ compensation
 
19,787

 
18,782

Asset retirement obligations
 
19,840

 
19,840

Coal derivative liability
 
36,555

 
7,217

Other
 
5,630

 
6,976

 
 
$
203,667

 
$
184,161