Accrued Expenses and Other Current Liabilities

12 Months Ended

Dec. 31, 2011

Other Liabilities Disclosure [Abstract]

Other Liabilities Disclosure [Text Block]

Accrued Expenses and Other Current Liabilities (in thousands):

December 31,	2011		2010
Payroll and related employee benefits	$	36,447	$	32,209
Accrued insurance	43,014		29,253
Performance guarantees	37,255		32,314
Loss job reserves	12,429		10,082
Other	37,645		46,915
Total	$	166,790	$	150,773

Performance guarantees relate to our construction joint venture partnerships in which we have contract provisions for joint and several liability related to the performance of the joint ventures. Under these arrangements, we would be required to perform in the event our partners are not able to complete their portion of the construction contract. See Note 18 for further information.