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CASH FLOW SUPPLEMENTARY INFORMATION (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Supplemental Cash Flow Elements [Abstract]    
Value of shares acquired under share repurchase program $ 14,790 $ 0
Supplemental Cash Flow Information [Abstract]    
Interest 439 925
Income taxes $ 2,912 $ 1,898