XML 89 R61.htm IDEA: XBRL DOCUMENT v3.22.0.1
Summary of Operating Segments (Detail) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of operating segments [Line Items]    
Revenue $ 986,847 $ 935,753
Operating earnings (loss) (182,782) (109,184)
Depreciation and amortization 282,326 316,322
Total assets 2,661,752 2,898,878
All Other Segments [Member]    
Disclosure of operating segments [Line Items]    
Revenue 986,847 935,753
Operating earnings (loss) (81,038) (40,988)
Depreciation and amortization 282,326 316,322
Gain on asset disposals (8,516) (11,931)
Total assets 2,661,752 2,898,878
Capital expenditures 75,941 61,592
Contract Drilling Services [Member]    
Disclosure of operating segments [Line Items]    
Revenue 877,943 861,202
Contract Drilling Services [Member] | All Other Segments [Member]    
Disclosure of operating segments [Line Items]    
Revenue 877,943 861,202
Operating earnings (loss) (16,867) 22,207
Depreciation and amortization 256,072 288,389
Gain on asset disposals (7,673) (10,171)
Total assets 2,392,382 2,571,397
Capital expenditures 70,998 57,741
Completion and Production Services [Member]    
Disclosure of operating segments [Line Items]    
Revenue 113,488 77,251
Completion and Production Services [Member] | All Other Segments [Member]    
Disclosure of operating segments [Line Items]    
Revenue 113,488 77,251
Operating earnings (loss) 8,927 (3,671)
Depreciation and amortization 15,405 16,375
Gain on asset disposals (525) (1,447)
Total assets 127,233 132,771
Capital expenditures 4,452 3,362
Corporate and Other [Member] | All Other Segments [Member]    
Disclosure of operating segments [Line Items]    
Operating earnings (loss) (73,098) (59,524)
Depreciation and amortization 10,849 11,558
Gain on asset disposals (318) (313)
Total assets 142,137 194,710
Capital expenditures 491 489
Inter- Segment Eliminations [Member]    
Disclosure of operating segments [Line Items]    
Revenue (4,584) (2,700)
Inter- Segment Eliminations [Member] | All Other Segments [Member]    
Disclosure of operating segments [Line Items]    
Revenue $ (4,584) $ (2,700)