Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2012

Accrued Expenses

Accrued expenses consisted of the following at September 30, 2012 and December 31, 2011 (in thousands):

	September 30, 2012		December 31, 2011
Salaries, wages, payroll taxes and benefits	$	43,713	$	58,692
Workers’ compensation liability		66,636		66,121
Property, sales, use and other taxes		14,074		11,850
Insurance, other than workers’ compensation		8,022		6,012
Accrued interest payable		11,544		4,937
Deferred revenue—current		3,330		7,229
2009 Performance Unit Awards		—		3,640
Other		9,360		6,148
	$	156,679	$	164,629