Accounts Payable And Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2011

Accounts Payable And Accrued Expenses [Abstract]

Schedule Of Accounts Payable And Accrued Expenses

	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