Accounts Payable and Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2013

Accounts Payable and Accrued Liabilities

Summary of accrued expenses and other current liabilities

	September 30, 2013		December 31, 2012
Payroll and related employee benefits	$	51,354	$	33,086
Insurance, including self-insurance reserves	35,233		22,982
Reserve for estimated losses on uncompleted contracts	2,018		764
Corporate income taxes and other taxes	2,396		3,779
Accrued overhead cost	1,326		2,007
Other	9,554		13,534
	$	101,881	$	76,152