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Note 4 - Derivative Instruments and Hedging Activities (Tables)
 6 Months Ended
Jun. 30, 2020
Notes Tables  
Schedule Of Derivative Assets (Liabilities) at Fair Value [Table Text Block]
   

June 30,
2020

    

December 31,
2019

  

Commodity contracts

   $ 842     $ 6  

Foreign currency contracts

     64       31  

Interest rate swaps

     (36,390 )     (10,425 )