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

9 Months Ended

Oct. 31, 2012

Costs, Estimated Earnings and Billings on Uncompleted Contracts [Abstract]

Aggregate amounts of costs incurred and earnings accrued on uncompleted contracts compared with billings for contracts

The tables below set forth the aggregate amounts of costs incurred and earnings accrued on uncompleted contracts compared with the billings for those contracts through October 31, 2012 and January 31, 2012, 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.


	October 31,		January 31,
	2012		2012
Costs incurred on uncompleted contracts	$	288,499,000	$	106,379,000
Estimated accrued earnings		44,882,000		12,121,000

		333,381,000		118,500,000
Less - Billings to date		414,939,000		183,723,000

Billings in excess of costs and estimated earnings on uncompleted contracts, net	$	81,558,000	$	65,223,000

Costs and estimated earnings in excess of billings	$	1,000,000	$	2,781,000
Billings in excess of costs and estimated earnings		82,558,000		68,004,000

Billings in excess of costs and estimated earnings on uncompleted contracts, net	$	81,558,000	$	65,223,000