Costs, Estimated Earnings and Billings on Uncompleted Contracts (Tables)

3 Months Ended

Apr. 30, 2015

Contractors [Abstract]

Aggregate Amount of Costs Incurred and Earnings Accrued on Uncompleted Contracts Compared with Billings on Contracts

The tables below set forth the aggregate amount of costs incurred and earnings accrued on uncompleted contracts compared with the billings on those contracts through April 30 and January 31, 2015, and reconcile the net amounts of billings in excess of costs and estimated earnings to the amounts included in the condensed consolidated balance sheets at those dates.

	April 30,			January 31,
	2015			2015
Costs incurred on uncompleted contracts	$	395,208,000		$	324,839,000
Estimated accrued earnings		75,776,000			60,809,000
		470,984,000			385,648,000
Less – Billings to date		633,362,000			546,757,000
	$	(162,378,000	)	$	(161,109,000	)
Costs and estimated earnings in excess of billings	$	595,000		$	455,000
Billings in excess of costs and estimated earnings		162,973,000			161,564,000
	$	(162,378,000	)	$	(161,109,000	)