Costs And Estimated Earnings In Excess Of Billings

6 Months Ended

Jun. 30, 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 consist of the following:

	June 30,		December 31,
(in thousands)	2016		2015
Claims	$	427,558	$	407,164
Unapproved change orders		220,427		270,019
Other unbilled costs and profits		163,421		227,992
Total costs and estimated earnings in excess of billings	$	811,406	$	905,175

Claims and unapproved change orders are billable upon the final resolution and agreement between the contractual parties. Other unbilled costs and profits are billable in accordance with the billing terms of each of the existing contractual arrangements.