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ACCRUED EXPENSES
12 Months Ended
Dec. 31, 2012
Payables and Accruals [Abstract]  
ACCRUED EXPENSES
ACCRUED EXPENSES
Accrued expenses consisted of the following (in thousands):
 
December 31,
2012
 
December 31,
2011
Insurance
$
48,243

 
$
21,712

Interest
20,061

 
15,434

Accrued disposal costs
1,835

 
2,455

Accrued compensation and benefits
70,250

 
56,029

Income, real estate, sales and other taxes
35,640

 
14,863

Other
56,400

 
37,499

 
$
232,429

 
$
147,992