Accounts Payable and Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2013

Accounts Payable and Accrued Liabilities

Summary of accrued expenses and other current liabilities

	June 30, 2013		December 31, 2012
Payroll and related employee benefits	$	40,147	$	33,086
Insurance, including self-insurance reserves	27,800		22,982
Reserve for estimated losses on uncompleted contracts	522		764
Corporate income taxes and other taxes	2,173		3,779
Accrued overhead cost	1,266		2,007
Other	8,441		13,534
	$	80,349	$	76,152