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Note 6 - Derivative Financial Instruments (Tables)
3 Months Ended
Jul. 28, 2012
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
   
(In thousands)
 
   
2012
 
2011
 
Recognized in AOCI:
         
   Loss before income taxes
  $ (2,318 )   $ (588 )
   Less income tax benefit
    (881 )     (219 )
   Net
  $ (1,437 )   $ (369 )
Reclassified from AOCI to cost of sales:
               
   Gain (loss) before income taxes
  $ (902 )   $ 1,143  
   Less income tax provision (benefit)
     (343 )      407  
   Net
  $ (559 )   $ 736  
Net change to AOCI
  $ (878 )   $ (1,105 )