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Financial Instruments - Schedule of Financial Assets and Financial Liabilities (Details) - CAD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Amortized cost [Member] |  |  |
Schedule of Financial Assets and Financial Liabilities [Line Items] |  |  |
Trade and other receivables |  | $ 53,187 | $ 158,930
Trade and other payables |  | (111,577) | (158,276)
Total |  | (3,018,284) | (2,574,912)
Fair value through profit or loss [Member] |  |  |
Schedule of Financial Assets and Financial Liabilities [Line Items] |  |  |
Trade and other receivables |  |  |
Trade and other payables |  |  |
Total |  | (726,941) | (617,135)
Fair Value [Member] |  |  |
Schedule of Financial Assets and Financial Liabilities [Line Items] |  |  |
Trade and other receivables |  | 53,187 | 158,930
Trade and other payables |  | (111,577) | (158,276)
Total |  | (2,965,093) | (1,782,207)
Level 1 [Member] | Amortized cost [Member] |  |  |
Schedule of Financial Assets and Financial Liabilities [Line Items] |  |  |
Cash and cash equivalents |  | 482,605 | 552,064
Other current financial assets |  | 442 | 565
Other long-term financial assets |  | 17,662 | 9,767
Level 1 [Member] | Fair value through profit or loss [Member] |  |  |
Schedule of Financial Assets and Financial Liabilities [Line Items] |  |  |
Cash and cash equivalents |  |  |
Other current financial assets |  |  |
Other long-term financial assets |  |  |
Level 1 [Member] | Fair Value [Member] |  |  |
Schedule of Financial Assets and Financial Liabilities [Line Items] |  |  |
Cash and cash equivalents |  | 482,605 | 552,064
Other current financial assets |  | 442 | 565
Other long-term financial assets |  | 17,662 | 9,767
Level 2 [Member] | Amortized cost [Member] |  |  |
Schedule of Financial Assets and Financial Liabilities [Line Items] |  |  |
Other current financial liabilities |  | (41,537) | (26,483)
Indebtedness | [1] | (3,408,172) | (3,098,058)
Level 2 [Member] | Fair value through profit or loss [Member] |  |  |
Schedule of Financial Assets and Financial Liabilities [Line Items] |  |  |
Other current financial liabilities |  |  |
Indebtedness | [1] |  |
Level 2 [Member] | Fair Value [Member] |  |  |
Schedule of Financial Assets and Financial Liabilities [Line Items] |  |  |
Other current financial liabilities |  | (41,571) | (26,272)
Indebtedness | [1] | (2,628,199) | (1,688,023)
Level 2, Level 3 [Member] | Amortized cost [Member] |  |  |
Schedule of Financial Assets and Financial Liabilities [Line Items] |  |  |
Other long-term financial liabilities |  | (10,894) | (13,421)
Level 2, Level 3 [Member] | Fair value through profit or loss [Member] |  |  |
Schedule of Financial Assets and Financial Liabilities [Line Items] |  |  |
Other long-term financial liabilities |  | (726,941) | (617,135)
Level 2, Level 3 [Member] | Fair Value [Member] |  |  |
Schedule of Financial Assets and Financial Liabilities [Line Items] |  |  |
Other long-term financial liabilities |  | $ (737,642) | $ (630,962)
[1] | Indebtedness excludes deferred financing costs, prepayment options, warrants and loss on prepayment (December 31, 2024 — excludes deferred financing costs, prepayment options and loss on prepayment).

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