Quarterly report pursuant to Section 13 or 15(d)

Contracts in Progress (Details)

v3.7.0.1
Contracts in Progress (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Revenue earned on uncompleted contracts $ 578,861 $ 532,549
Less: Billings to date (578,945) (539,780)
Net overbilling (84) (7,231)
Costs and estimated earnings in excess of billing on uncompleted contracts 30,119 31,959
Billings in excess of costs and estimated earnings on uncompleted contracts (30,203) (39,190)
Net overbilling $ (84) $ (7,231)