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Note 5 - Derivative Financial Instruments (Tables)
3 Months Ended
Jul. 31, 2021
Notes Tables  
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block]
  

(In thousands)

  

2021

  

2020

 

Recognized in AOCI:

        

Gain before income taxes

 $753  $5,080 

Less income tax provision

  180   1,215 

Net

  573   3,865 

Reclassified from AOCI to cost of sales:

        

Gain (loss) before income taxes

  3,057   (1,832)

Less income tax provision (benefit)

  731   (438)

Net

  2,326   (1,394)

Net change to AOCI

 $(1,753) $5,259