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Heritage Health Benefit Expenses
9 Months Ended
Sep. 30, 2011
Heritage Health Benefit Expenses [Abstract] 
HERITAGE HEALTH BENEFIT EXPENSES
7. HERITAGE HEALTH BENEFIT EXPENSES
The caption Heritage health benefit expenses used in the Consolidated Statements of Operations refers to costs of benefits the Company provides to its former mining operation employees. The components of these expenses are as follows:
                                 
    Three Months Ended     Nine Months Ended  
    September 30,     September 30,  
    2011     2010     2011     2010  
    (In thousands)  
Health care benefits
  $ 2,445     $ 2,932     $ 7,208     $ 7,551  
Combined benefit fund payments
    686       756       2,057       2,268  
Workers’ compensation benefits
    162       175       485       540  
Black lung benefits
    603       378       1,365       1,191  
 
                       
Total
  $ 3,896     $ 4,241     $ 11,115     $ 11,550