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Note 3 - Acquisitions (Tables)
12 Months Ended
Dec. 31, 2017
Notes Tables  
Redeemable Noncontrolling Interest [Table Text Block]
   
Year Ended December 31
,
 
   
201
7
   
201
6
 
Balance at beginning of perio
d
  $
33,138
 
  $
-
 
Noncontrolling interest of Prama
c
   
1,540
(1)
   
34,253
 
Net incom
e
   
1,631
 
   
100
 
Foreign currency translatio
n
   
8,529
 
   
(2,124
)
Redemption value adjustmen
t
   
(909
)
   
909
 
Balance at end of perio
d
  $
43,929
 
  $
33,138
 
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
   
March 1, 201
6
 
Accounts receivabl
e
  $
50,716
 
Inventorie
s
   
39,889
 
Property and equipmen
t
   
19,138
 
Intangible asset
s
   
34,471
 
Goodwil
l
   
46,775
 
Other asset
s
   
7,698
 
Total assets acquire
d
   
198,687
 
         
Short-term borrowing
s
   
21,741
 
Accounts payabl
e
   
40,270
 
Long-term debt and capital lease obligations (including current portion
)
   
18,599
 
Other liabilitie
s
   
23,521
 
Redeemable noncontrolling interes
t
   
34,253
 
Noncontrolling interes
t
   
53
 
Net assets acquire
d
  $
60,250