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Supplemental Cash Flow Information
12 Months Ended
Dec. 31, 2019
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information SUPPLEMENTAL CASH FLOW INFORMATION
Year Ended December 31,
 201920182017
Non-cash investing and financing activities:
Purchase of property, plant, and equipment in accounts payable$4,430  $2,389  $4,522  
Additional cash payment information:
Interest paid1,611  1,578  1,489  
Income taxes paid7,111  8,818  13,526  
See Note 8 for operating lease supplemental cash flow information.