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Note 4 - Derivative Instruments and Hedging Activities (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Schedule Of Derivative Assets (Liabilities) at Fair Value [Table Text Block]
 
 
December 31
,
201
5
 
 
December 31,
201
4
 
Commodity contracts
  $ (400 )   $ (515 )
Foreign currency contracts
    (171 )     (149 )
Interest rate swaps
    (2,618 )     (1,045 )