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COSTS AND ESTIMATED EARNINGS IN EXCESS OF BILLINGS, NET (Tables)
3 Months Ended
Jul. 31, 2012
Costs and Estimated Earnings in Excess of Billings, Net

At July 31, 2012 and April 30, 2012, costs and estimated earnings in excess of billings, net, consist of the following:

 

    July 31, 2012     April 30, 2012  
    (In thousands)  
Costs and estimated earnings in excess of billings   $ 10,372     $ 9,552  
Billings in excess of costs and estimated earnings     (1,723 )     (2,345 )
Net asset   $ 8,649     $ 7,207