ACCRUED EXPENSES (Tables)

6 Months Ended

Jun. 30, 2011

ACCRUED EXPENSES

Accrued expenses

	June 30, 2011		December 31, 2010
Insurance	$	20,852	$	19,736
Interest	15,149		7,826
Accrued disposal costs	2,123		2,173
Accrued compensation and benefits	39,115		44,545
Income, real estate, sales and other taxes	16,776		19,529
Other	24,701		22,280
	$	118,716	$	116,089