Costs and estimated earnings in excess of billings

3 Months Ended

Mar. 31, 2016

Costs and estimated earnings in excess of billings [Abstract]

Costs and estimated earnings in excess of billings

(4)     Costs and estimated earnings in excess of billings

Reported costs and estimated earnings in excess of billings consists of the following:

	March 31,		December 31,
(in thousands)	2016		2015
Claims	$	395,708	$	407,164
Unapproved change orders		224,297		270,019
Other unbilled costs and profits		238,351		227,992
Total costs and estimated earnings in excess of billings	$	858,356	$	905,175

The prerequisite for billing claims and unapproved change orders is the final resolution and agreement between the parties. The prerequisite for billing other unbilled costs and profits is defined in the billing terms of each of the applicable contracts.