Accrued Expenses

12 Months Ended

Dec. 31, 2012

Accrued Expenses

16.   Accrued Expenses

The accrued expenses are as follows (in thousands):

	December 31,
	2012		2011
Compensation related	$	29,825	$	27,068
Workers’ compensation self-insured risk reserve		5,550		4,967
Health self-insured risk reserve		5,125		3,928
Authority for expenditure accrual		925		379
Ad valorem taxes		1,320		5
Sales tax		5,578		2,590
Insurance obligations		5,283		6,174
Professional fee accrual		705		497
Contingent earn out obligation		2,519		345
Fuel accrual		1,617		1,432
Accrued interest		19,269		17,711
	$	77,716	$	65,096