Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2012

Accrued Expenses

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

	March 31, 2012		December 31, 2011
Salaries, wages, payroll taxes and benefits	$	38,601	$	58,692
Workers’ compensation liability		65,778		66,121
Property, sales, use and other taxes		12,591		11,850
Insurance, other than workers’ compensation		7,988		6,012
Accrued interest payable		8,429		4,937
Deferred revenue—current		6,944		7,229
2009 Performance Unit Awards		1,719		3,640
Other		10,392		6,148
	$	152,442	$	164,629