Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Other Liabilities Disclosure [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued Expenses and Other Current Liabilities (in thousands):

December 31,	2012		2011
Payroll and related employee benefits	$	42,364	$	36,447
Accrued insurance	39,868		43,014
Performance guarantees	30,727		37,255
Loss job reserves	11,605		12,429
Other	45,415		37,645
Total	$	169,979	$	166,790