Costs and estimated earnings in excess of billings (Tables)

3 Months Ended

Mar. 31, 2013

Costs and estimated earnings in excess of billings

Costs and estimated earnings in excess of billings

Costs and estimated earnings in excess of billings related to the Company’s contracts and joint venture contracts consisted of the following:

	March 31,		December 31,
	2013		2012
	(in thousands)
Unbilled costs and profits incurred to date*	$	170,088	$	157,119
Unapproved change orders	133,523		141,596
Claims	175,750		166,287
	$	479,361	$	465,002

* Represents the excess of contract costs and profits recognized to date on the percentage of completion accounting method over the amount of contract billings to date on certain contracts.