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Statements of Loss (Detail) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of subsidiaries [Line Items] |  |
Revenue | $ 986,847 | $ 935,753
Expenses | 698,144 | 583,420
Earnings before income taxes, loss (gain) on redemption and repurchase of unsecured senior notes, loss on investments and other assets, finance charges, foreign exchange, gain on asset disposals, and depreciation and amortization | 192,772 | 263,403
Net loss | (177,386) | (120,138)
Parent And Guarantor Subsidiaries [Member] |  |
Disclosure of subsidiaries [Line Items] |  |
Revenue | 844,619 | 752,794
Expenses | 690,149 | 548,991
Earnings before income taxes, loss (gain) on redemption and repurchase of unsecured senior notes, loss on investments and other assets, finance charges, foreign exchange, gain on asset disposals, and depreciation and amortization | 154,470 | 203,803
Net loss | $ (171,030) | $ (144,086)

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