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SHAREHOLDERS' EQUITY (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 28, 2018
Mar. 12, 2018
Mar. 31, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
December 31, 2017     $ 40,241
Current-period change     334
March 31, 2018     40,252
Dividends [Abstract]      
Dividend payable per share (in dollars per share)   $ 0.125  
Dividend paid per share (in dollars per share) $ 0.125    
Accumulated Other Comprehensive Income, Net      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
December 31, 2017     5,984
March 31, 2018     6,318
Foreign Currency Translation      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
December 31, 2017     5,703
Current-period change     334
March 31, 2018     6,037
Pension Postretirement Benefit Obligation      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
December 31, 2017     281
Current-period change     0
March 31, 2018     $ 281