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Note 4 - Debt (Tables)
3 Months Ended
Apr. 01, 2017
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
(in
thousands
)
 
April 1, 2017
 
 
December 31, 2016
 
Revolving credit facility
  $
    $
112,500
 
Term loan
   
118,750
     
120,313
 
Entrusted loan
   
2,903
     
3,522
 
Euro Senior Notes, Series A due 2023
   
125,616
     
122,313
 
Euro Senior Notes, Series B due 2028
   
101,996
     
99,314
 
USD Senior Notes, Series A due 2022
   
25,000
     
 
USD Senior Notes, Series B due 2027
   
100,000
     
 
Unamortized debt issuance costs
   
(3,742
)    
(3,820
)
Total debt
   
470,523
     
454,142
 
Less: Current maturities
   
(6,250
)    
(6,250
)
Total long-term debt
  $
464,273
    $
447,892