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Note 5 - Fair Value Measurements (Tables)
3 Months Ended
Sep. 30, 2018
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
   
September 30, 2018
 
   
Total
   
Level 1
   
Level 2
   
Level 3
 
Assets
                               
Marketable securities - deferred compensation plan
  $
2,443
    $
2,443
    $
-
    $
-
 
Interest rate swaps
   
1,509
     
-
     
1,509
     
-
 
                                 
Liabilities
                               
Foreign exchange contracts
  $
4,070
    $
-
    $
4,070
    $
-
 
Contingent acquisition payments
(a)
   
7,362
     
-
     
-
     
7,362
 
   
June 30, 2018
 
   
Total
   
Level 1
   
Level 2
   
Level 3
 
Assets
                               
Marketable securities - deferred compensation plan
  $
2,362
    $
2,362
    $
-
    $
-
 
Foreign exchange contracts
   
1,357
     
-
     
1,357
     
-
 
Interest rate swaps
   
1,325
     
-
     
1,325
     
-
 
                                 
Liabilities
                               
Foreign exchange contracts
  $
4,204
    $
-
    $
4,204
    $
-
 
Contingent acquisition payments
(a)
   
7,535
     
-
     
-
     
7,535