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Note 1 - Summary of Accounting Policies - Fair Values of Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Foreign exchange contracts $ 122 $ 1,222
Interest rate swaps 8,420 255
Foreign exchange contracts 711  
Interest rate swaps 0 3,096
Business Combination, Contingent Consideration, Liability, Total [1] 1,167 3,333
Fair Value, Inputs, Level 1 [Member]    
Foreign exchange contracts 0 0
Interest rate swaps 0 0
Foreign exchange contracts 0  
Interest rate swaps 0 0
Business Combination, Contingent Consideration, Liability, Total [1] 0 0
Fair Value, Inputs, Level 2 [Member]    
Foreign exchange contracts 122 1,222
Interest rate swaps 8,420 255
Foreign exchange contracts 711  
Interest rate swaps 0 3,096
Business Combination, Contingent Consideration, Liability, Total [1] 0 0
Fair Value, Inputs, Level 3 [Member]    
Foreign exchange contracts 0 0
Interest rate swaps 0 0
Foreign exchange contracts 0  
Interest rate swaps 0 0
Business Combination, Contingent Consideration, Liability, Total [1] 1,167 3,333
Deferred Compensation Plan [Member]    
Marketable securities - deferred compensation plan 3,033 2,988
Deferred Compensation Plan [Member] | Fair Value, Inputs, Level 1 [Member]    
Marketable securities - deferred compensation plan 3,033 2,988
Deferred Compensation Plan [Member] | Fair Value, Inputs, Level 2 [Member]    
Marketable securities - deferred compensation plan 0 0
Deferred Compensation Plan [Member] | Fair Value, Inputs, Level 3 [Member]    
Marketable securities - deferred compensation plan $ 0 $ 0
[1] The fair value of our contingent consideration arrangement is determined based on our evaluation as to the probability and amount of any deferred compensation that has been earned to date.