Accrued Expenses

3 Months Ended

Mar. 31, 2013

6.	Accrued Expenses

Accrued expenses consisted of the following at March 31, 2013 and December 31, 2012 (in thousands):


	March 31, 2013		December 31, 2012
Salaries, wages, payroll taxes and benefits	$	39,276	$	55,430
Workers’ compensation liability		66,755		68,441
Property, sales, use and other taxes		7,211		9,749
Insurance, other than workers’ compensation		6,104		10,419
Accrued interest payable		14,518		7,664
Deferred revenue—current		—		1,523
Other		7,653		5,406

	$	141,517	$	158,632

Deferred revenue was recorded in the fourth quarter of 2010 in the purchase price allocation associated with the Company’s acquisition of a pressure pumping business. The deferred revenue related to out-of-market pricing agreements that were in place at the acquired business at the time of the acquisition. The deferred revenue was recognized as pressure pumping revenue over the term of the pricing agreements, which have now expired. Deferred revenue of approximately $1.5 million and $1.8 million was recognized in the three months ended March 31, 2013 and 2012, respectively, related to these pricing agreements.