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v3.20.4

SUPPLEMENTAL CASH FLOW INFORMATION (Tables) | 12 Months Ended
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Dec. 31, 2020
Supplemental Cash Flow Information [Abstract] |
Supplemental Cash Flow Information | Cash paid during the year for:
|  | 2020 |  | 2019 |  | 2018
Income taxes |  | $ | 22,637 |  |  | $ | 21,771 |  |  | $ | 20,593 |
Interest |  | $ | 4,666 |  |  | $ | 5,674 |  |  | $ | 6,940 |
Non-cash financing activities:
|  | 2020 |  | 2019 |  | 2018
Dividends payable |  | $ | 18,941 |  |  | $ | 16,855 |  |  | $ | 15,220 |

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