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Note 5 - Derivative Financial Instruments (Tables)
6 Months Ended
Nov. 01, 2014
Notes Tables  
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
   
(In thousands)
 
   
Three Months Ended
   
Six Months Ended
 
   
2014
   
2013
   
2014
   
2013
 
Recognized in AOCI:
                               
Gain (loss) before income taxes
  $ 643     $ (139 )   $ 1,248     $ (1,151 )
Less income tax provision (benefit)
    239       (51 )     463       (427 )
Net
  $ 404     $ (88 )   $ 785     $ (724 )
Reclassified from AOCI to cost of sales:
                               
Gain (loss) before income taxes
  $ 263     $ (650 )   $ 277     $ (1,216 )
Less income tax provision (benefit)
    98       (241 )     103       (451 )
Net
  $ 165     $ (409 )   $ 174     $ (765 )
Net change to AOCI
  $ 239     $ 321     $ 611     $ 41