XML 92 R66.htm IDEA: XBRL DOCUMENT v3.22.4
Schedule of Property, Plant and Equipment (Detail) - CAD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment $ 2,303,338 $ 2,258,391  
Rig Equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 2,083,446 2,074,185  
Rental Equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 15,977 20,597  
Other Equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 11,465 17,088  
Vehicles [member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 3,380 3,204  
Buildings [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 38,949 44,009  
Assets Under Construction [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 117,535 67,884  
Land [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 32,586 31,424  
Gross [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 6,906,771 6,503,721 $ 6,563,206
Gross [Member] | Rig Equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 6,334,462 5,968,316 6,025,767
Gross [Member] | Rental Equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 96,454 103,181 105,024
Gross [Member] | Other Equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 175,409 178,717 181,004
Gross [Member] | Vehicles [member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 36,002 34,680 35,350
Gross [Member] | Buildings [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 114,323 119,519 122,278
Gross [Member] | Assets Under Construction [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 117,535 67,884 60,572
Gross [Member] | Land [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment 32,586 31,424 33,211
Accumulated Depreciation [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment (4,603,433) (4,245,330) (4,090,523)
Accumulated Depreciation [Member] | Rig Equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment (4,251,016) (3,894,131) (3,755,973)
Accumulated Depreciation [Member] | Rental Equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment (80,477) (82,584) (77,665)
Accumulated Depreciation [Member] | Other Equipment [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment (163,944) (161,629) (153,686)
Accumulated Depreciation [Member] | Vehicles [member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment (32,622) (31,476) (30,372)
Accumulated Depreciation [Member] | Buildings [Member]      
Disclosure of detailed information about property, plant and equipment [Line Items]      
Property, plant and equipment $ (75,374) $ (75,510) $ (72,827)