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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
Cash paid during the year for:
201920182017
Income taxes$21,771  $20,593  $25,845  
Interest$5,674  $6,940  $7,021  
Non-cash financing activities:
 201920182017
Dividends payable$16,855  $15,220  $13,484