Accounts Payable And Accrued Expenses

12 Months Ended

Dec. 31, 2011

Accounts Payable And Accrued Expenses [Abstract]

Accounts Payable And Accrued Expenses

9. ACCOUNTS PAYABLE AND ACCRUED EXPENSES

Accounts payable and accrued expenses consist of the following (in thousands):

	December 31,
	2011		2010
Trade accounts payable	$	45,800	$	47,906
Accrued salaries and wages		50,169		47,290
Accrued workers' compensation and auto liability		8,092		7,657
Accrued litigation		11,331		19,245
Accrued employee medical insurance		10,353		10,605
Accrued property taxes		23,416		22,626
Accrued interest		14,270		14,237
Other		33,236		34,230
	$	196,667	$	203,796

The total liability for workers' compensation and auto liability was $22.3 million and $23.3 million as of December 31, 2011 and 2010, respectively, with the long-term portion included in other long-term liabilities in the accompanying consolidated balance sheets. These liabilities were discounted to the net present value of the outstanding liabilities using a 3.0% rate in 2011 and 2010. These liabilities amounted to $25.0 million and $26.0 million on an undiscounted basis as of December 31, 2011 and 2010, respectively.