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Inventories (Tables)
6 Months Ended
Nov. 01, 2014
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consisted of the following: 
 
November 1,
2014
 
April 26,
2014
Raw materials
$
26,785

 
$
27,660

Work-in-process
10,229

 
11,835

Finished goods
25,810

 
22,733

 
$
62,824

 
$
62,228