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Summary of Operating Segments (Detail) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of operating segments [Line Items]    
Revenue $ 1,617,194 $ 986,847
Earnings before income taxes, loss on redemption and repurchase of unsecured senior notes, loss (gain) on investments and other assets, finance charges, foreign exchange, gain on asset disposals, and depreciation and amortization (14,143) (182,782)
Depreciation and amortization 279,035 282,326
Gain on asset disposals (29,926) (8,516)
Total assets 2,876,123 2,661,752
All Other Segments [Member]    
Disclosure of operating segments [Line Items]    
Revenue 1,617,194 986,847
Earnings before income taxes, loss on redemption and repurchase of unsecured senior notes, loss (gain) on investments and other assets, finance charges, foreign exchange, gain on asset disposals, and depreciation and amortization 311,605 192,772
Depreciation and amortization 279,035 282,326
Gain on asset disposals (29,926) (8,516)
Total assets 2,876,123 2,661,752
Capital expenditures 184,250 75,941
Contract Drilling Services [Member]    
Disclosure of operating segments [Line Items]    
Revenue 1,436,134 877,943
Contract Drilling Services [Member] | All Other Segments [Member]    
Disclosure of operating segments [Line Items]    
Revenue 1,436,134 877,943
Earnings before income taxes, loss on redemption and repurchase of unsecured senior notes, loss (gain) on investments and other assets, finance charges, foreign exchange, gain on asset disposals, and depreciation and amortization 397,753 231,532
Depreciation and amortization 255,286 256,072
Gain on asset disposals (25,495) (7,673)
Total assets 2,574,867 2,392,382
Capital expenditures 177,844 70,998
Completion and Production Services [Member]    
Disclosure of operating segments [Line Items]    
Revenue 187,171 113,488
Completion and Production Services [Member] | All Other Segments [Member]    
Disclosure of operating segments [Line Items]    
Revenue 187,171 113,488
Earnings before income taxes, loss on redemption and repurchase of unsecured senior notes, loss (gain) on investments and other assets, finance charges, foreign exchange, gain on asset disposals, and depreciation and amortization 38,147 23,807
Depreciation and amortization 14,381 15,405
Gain on asset disposals (3,233) (525)
Total assets 179,226 127,233
Capital expenditures 5,325 4,452
Corporate and Other [Member] | All Other Segments [Member]    
Disclosure of operating segments [Line Items]    
Earnings before income taxes, loss on redemption and repurchase of unsecured senior notes, loss (gain) on investments and other assets, finance charges, foreign exchange, gain on asset disposals, and depreciation and amortization (124,295) (62,567)
Depreciation and amortization 9,368 10,849
Gain on asset disposals (1,198) (318)
Total assets 122,030 142,137
Capital expenditures 1,081 491
Inter-Segment Eliminations [Member]    
Disclosure of operating segments [Line Items]    
Revenue (6,111) (4,584)
Inter-Segment Eliminations [Member] | All Other Segments [Member]    
Disclosure of operating segments [Line Items]    
Revenue $ (6,111) $ (4,584)