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Heritage Health Benefit Expenses
6 Months Ended
Jun. 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     Six Months Ended  
    June 30,     June 30,  
    2011     2010     2011     2010  
    (In thousands)  
Health care benefits
  $ 2,308     $ 1,942     $ 4,763     $ 4,619  
Combined benefit fund payments
    686       756       1,371       1,512  
Workers’ compensation benefits
    165       230       323       365  
Black lung benefits
    282       466       762       813  
 
                       
Total
  $ 3,441     $ 3,394     $ 7,219     $ 7,309