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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure of earnings per share [text block] [Abstract] |
Shedule of basic and diluted per share |
|  | 2021 |  | 2020 |  | 2019
Basic total weighted average number of Telesat Public Shares and Class C Shares (Telesat Canada Common Shares) outstanding |  | 45,168,650 |  | 49,537,082 |  | 49,519,663
Effect of diluted securities |  |  |  |  |  |
Stock options |  | 422,326 |  | 219,551 |  | 210,812
RSUs |  | 1,029,519 |  | 48,253 |  | 75,826
Diluted total weighted average number of Telesat Public Shares and Class C Shares (Telesat Canada Common Shares) outstanding |  | 46,620,495 |  | 49,804,886 |  | 49,806,301

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