v3.26.1
Supplemental Cash Flow Information - Schedule of Reconciliation of the Liabilities arising from Financing Activities (Details) - CAD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Indebtedness [Member]    
Schedule of Reconciliation of the Liabilities Arising from Financing Activities [Line Items]    
Beginning balance $ 3,493,607 $ 3,096,615
Cash inflows 130,218 340,000
Cash outflows
Amortization of deferred financing costs, prepayment options, warrants and loss on repayment 2,325 727
Interest paid
Interest accrued 12,477 3,076
Non-cash transfer from deferred charges to indebtedness of debt issue costs and warrants (32,865) (85,943)
Non-cash addition
Non-cash transfer  
Impact of foreign exchange 39,050 (1,267)
Ending balance 3,644,812 3,353,208
Satellite performance incentive payments [Member]    
Schedule of Reconciliation of the Liabilities Arising from Financing Activities [Line Items]    
Beginning balance 12,355 15,060
Cash inflows
Cash outflows (212) (190)
Amortization of deferred financing costs, prepayment options, warrants and loss on repayment
Interest paid
Interest accrued
Non-cash transfer from deferred charges to indebtedness of debt issue costs and warrants
Non-cash addition
Non-cash transfer  
Impact of foreign exchange 171 2
Ending balance 12,314 14,872
Lease liabilities [Member]    
Schedule of Reconciliation of the Liabilities Arising from Financing Activities [Line Items]    
Beginning balance 40,109 33,375
Cash inflows
Cash outflows (674) (515)
Amortization of deferred financing costs, prepayment options, warrants and loss on repayment
Interest paid (404) (446)
Interest accrued 442 446
Non-cash transfer from deferred charges to indebtedness of debt issue costs and warrants
Non-cash addition 100 4,215
Non-cash transfer (29)  
Impact of foreign exchange 30 (82)
Ending balance $ 39,574 $ 36,993