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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 Elements [Abstract] |
Supplemental Cash Flow Information | The table below provides supplemental cash flow information:
| Year ended December 31,
| 2020 |  | 2019 |  | 2018
Cash paid: |  |  |  |  |
Income taxes, net | $ | 154,850 |  |  | $ | 157,983 |  |  | $ | 92,526 |
Interest | $ | 326,165 |  |  | $ | 473,176 |  |  | $ | 488,974 |
Non-cash investing and financing activities: |  |  |  |  |
Fixed assets under financing lease obligations | $ | 22,042 |  |  | $ | 18,953 |  |  | $ | 8,828 |

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