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INCOME TAXES (Tables)
12 Months Ended
Dec. 31, 2016
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The provision for income taxes included the following components at December 31, 2016, 2015 and 2014:
 
 
 
2016
 
2015
 
2014
  
 
(Dollars in thousands)
Current:
 
 
  
 
 
 
  
 
 
 
  
 
Federal
 
$
5,965
 
 
$
8,801
 
 
$
7,339
 
State
 
 
1,027
 
 
 
1,314
 
 
 
1,131
 
Foreign
 
 
737
 
 
 
501
 
 
 
1,649
 
Total
 
 
7,729
 
 
 
10,616
 
 
 
10,119
 
Deferred
 
 
(2,645
) 
 
 
346
 
 
 
1,115
 
Total provision
 
$
5,084
 
 
$
10,962
 
 
$
11,234
 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
The differences between the U.S. federal statutory income tax rate and the Company’s effective tax rate were as follows for the years ended December 31, 2016, 2015 and 2014:
 
 
 
2016
 
2015
 
2014
U.S. federal statutory income tax rate
 
 
35.0
% 
 
 
35.0
 
 
35.0
State income taxes, net of federal tax benefit
 
 
3.5
 
 
 
3.4
 
 
 
2.8
 
Non-taxable municipal bond interest
 
 
(1.0
) 
 
 
(1.0
 
 
(1.2
Foreign income tax rate differences
 
 
(0.6
) 
 
 
0.4
 
 
 
(0.8
Life insurance deferred tax reversal
 
 
(14.2
) 
 
 
 
 
 
 
Other
 
 
0.3
 
 
 
(0.1
 
 
0.4
 
Effective tax rate
 
 
23.0
% 
 
 
37.7
 
 
36.2
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
The components of deferred taxes as of December 31, 2016, and 2015 were as follows:
 
 
 
2016
 
2015
  
 
(Dollars in thousands)
Deferred income tax assets:
 
 
  
 
 
 
  
 
Accounts receivable reserves
 
$
341
 
 
$
422
 
Pension liability
 
 
11,002
 
 
 
11,931
 
Accrued liabilities
 
 
2,648
 
 
 
2,383
 
Carryfoward losses
 
 
129
 
 
 
 
Foreign currency losses on intercompany loans
 
 
53
 
 
 
148
 
  
 
 
14,173
 
 
 
14,884
 
Deferred income tax liabilities:
 
 
  
 
 
 
  
 
Inventory and related reserves
 
 
(3,744
) 
 
 
(3,552
Cash value of life insurance
 
 
(441
) 
 
 
(3,517
Property, plant and equipment
 
 
(1,483
) 
 
 
(1,420
Intangible assets
 
 
(8,284
) 
 
 
(7,753
Prepaid expenses and other assets
 
 
(264
) 
 
 
(249
  
 
 
(14,216
) 
 
 
(16,491
Net deferred income tax liabilities
 
$
(43)
 
 
$
(1,607
 
Schedule of Deferred Tax Benefit (Liabilities) [Table Text Block]
The net deferred tax liabilities are classified in the Consolidated Balance Sheets as follows:
 
 
 
2016
 
2015
  
 
(Dollars in thousands)
Current deferred income tax liabilities
 
$
 
 
$
(1,537
Non-current deferred income tax benefits
 
 
660
 
 
 
 
Non-current deferred income tax liabilities
 
 
(703
) 
 
 
(70
Net deferred income tax liabilities
 
$
(43
) 
 
$
(1,607
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
The following table summarizes the activity related to the Company’s unrecognized tax benefits:
 
 
 
2016
 
2015
 
2014
  
 
(Dollars in thousands)
Unrecognized tax benefits balance at January 1,
 
$
284
 
 
$
 
 
$
124
 
Increases related to current year tax positions
 
 
239
 
 
 
284
 
 
 
 
Decreases related to prior period positions
 
 
 
 
 
 
 
 
(69
Decreases due to settlements of tax positions
 
 
(248
) 
 
 
 
 
 
(55
Unrecognized tax benefits balance at December 31,
 
$
275
 
 
$
284
 
 
$