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SUPPLEMENTAL CASH FLOW INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2021
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information
Cash paid during the year for:
202120202019
Income taxes$25,355 $22,637 $21,771 
Interest$4,547 $4,666 $5,674 
Non-cash financing activities:
 202120202019
Dividends payable$20,886 $18,941 $16,855