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Debt (Tables)
12 Months Ended
Dec. 31, 2017
Debt [Abstract]  
Long-Term Debt
Long-term debt consisted of the following unsecured obligations at December 31:

(in thousands)
 
2017
  
2016
 
3.66% senior notes due November 2023
 
$
75,000
  
$
75,000
 
3.65% senior notes due May 2024
  
27,000
   
 
1.27% Euro-denominated senior notes due May 2024
  
60,024
   
 
1.71% Euro-denominated senior notes due May 2027
  
48,019
   
 
3.06% Euro-denominated senior notes due November 2023
  
45,914
   
40,226
 
1.85% Euro-denominated senior notes due November 2022
  
80,260
   
70,316
 
4.47% senior notes due November 2018
  
25,000
   
25,000
 
4.14% senior notes due November 2017
  
   
25,000
 
4.91% senior notes due through May 2017
  
   
66,000
 
Term loan
  
141,375
   
118,313
 
Long-term revolving credit facility
  
100,712
   
162,079
 
Various other notes
  
1,068
   
1,099
 
   
604,372
   
583,033
 
Less debt fees
  
(213
)
  
(253
)
Total long-term debt
 
$
604,159
  
$
582,780
 
Summary of Restrictive Loan Covenants
The Company is in compliance with all of these restrictions at December 31, 2017. The following table summarizes the Company’s most restrictive loan covenants calculated in accordance with the applicable agreements as of December 31, 2017:

  
Actual
  
Required
 
Debt to EBITDA(1) (Maximum)
  
2.61
   
3.5
 
Interest Coverage (Minimum)
  
7.23
   
2.0
 

 (1)
Debt to EBITDA is defined in the Company’s debt covenants as total funded debt divided by the Company’s consolidated operating income excluding non-operating gains and losses and depreciation and amortization.
Short-Term Borrowings
The Company’s short-term borrowings consisted of the following items at December 31:

(in thousands)
 
2017
  
2016
 
Uncommitted loans
 
$
19,192
  
$
20,435
 
Loans of foreign subsidiaries
  
938
   
143
 
Total
 
$
20,130
  
$
20,578