Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2013

Other Liabilities Disclosure [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued Expenses and Other Current Liabilities (in thousands):

December 31,	2013		2012
Payroll and related employee benefits	$	34,676	$	42,364
Accrued insurance	49,073		39,868
Performance guarantees	54,488		30,727
Loss job reserves	12,130		11,605
Other	46,875		45,415
Total	$	197,242	$	169,979