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Capital Disclosures (Tables) | 12 Months Ended
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Dec. 31, 2021
Abstract [Abstract] |
Disclosure of Reconciliation of Net debt to EBITDA ratio [Table Text Block] | Net debt to EBITDA is defined as short and long-term debt less c a sh and cash equivalents at the end of the period, divided by annualized EBITDA. At December 31, 2021, the net debt to EBITDA ratio was:
Years ended December 31, |  | 2021 |  |  | 2020 |
Long-term debt |  | $ | 331,422 |  |  | $ | 389,712 |
Cash and cash equivalents |  |  | (172,758 | ) |  |  | (95,676 | )
Net debt |  | $ | 158,664 |  |  | $ | 294,036 |
Earnings before finance costs and income taxes |  | $ | 55,097 |  |  | $ | 118,052 |
Depreciation and amortization |  |  | 87,622 |  |  |  | 85,265 |
EBITDA |  | $ | 142,719 |  |  | $ | 203,317 |
Net debt to EBITDA ratio |  |  | 1.11:1 |  |  |  | 1.45:1 |

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- Definition Disclosure of reconciliation of net debt to ebitda ratio. + References No definition available. + Details
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