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Uncompleted Contracts
12 Months Ended
Apr. 28, 2012
Uncompleted Contracts [Abstract]  
Uncompleted Contracts
Uncompleted Contracts

Uncompleted contracts consisted of the following:
 
April 28,
2012
 
April 30,
2011
Costs incurred
$
304,058

 
$
261,062

Estimated earnings
114,687

 
103,832

 
418,745

 
364,894

Less billings to date
410,110

 
360,985

 
$
8,635

 
$
3,909


Uncompleted contracts are included in the accompanying consolidated balance sheets as follows:
 
April 28,
2012
 
April 30,
2011
Costs and estimated earnings in excess of billings
$
23,020

 
$
24,193

Billings in excess of costs and estimated earnings
(14,385
)
 
(20,284
)
 
$
8,635

 
$
3,909