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Note 11 - Retirement Benefits (Tables)
 6 Months Ended
Dec. 31, 2016
Pension Plan [Member]  
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
 
 
U.S. Plans
 
 
Non-U.S. Plans
 
 
 
Three Months Ended
 
 
Three Months Ended
 
 
 
December 31,
 
 
December 31,
 
 
 
2016
 
 
2015
 
 
2016
 
 
2015
 
Service cost
   $
1
     $
16
    $
9
     $
8
 
Interest cost
    
2,613
      
2,873
     
250
      
363
 
Expected return on plan assets
    
(3,440
 )    
(3,465
 )    
(282
 )    
(330
 )
Recognized net actuarial loss
    
1,190
      
995
     
249
      
213
 
Amortization of prior service cost
    
-
      
3
     
(12
 )    
(12
 )
Net periodic benefit cost
   $
364
    $
422
    $
214
     $
242
 
 
 
U.S. Plans
 
 
Non-U.S. Plans
 
 
 
Six Months Ended
 
 
Six Months Ended
 
 
 
December 31,
 
 
December 31,
 
 
 
2016
 
 
2015
 
 
2016
 
 
2015
 
Service cost
   $
2
     $
34
    $
19
    $
17
 
Interest cost
    
5,226
      
5,745
     
514
     
734
 
Expected return on plan assets
    
(6,881
 )    
(6,932
 )    
(579
 )    
(667
 )
Recognized net actuarial loss
    
2,381
      
1,990
     
511
     
430
 
Amortization of prior service cost
    
-
      
7
     
(24
 )    
(24
 )
Net periodic benefit cost
   $
728
     $
844
    $
441
     $
490