XML 116 R90.htm IDEA: XBRL DOCUMENT v3.22.4
Summary of Movement in Temporary Differences of Deferred Tax Liabilities (Detail) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance $ 11,352 $ 20,138
Recognized in net earnings (loss) 15,788 (8,599)
Foreign exchange 1,351 (187)
Ending Balance 28,491 11,352
Property, Plant and Equipment and Intangibles [member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance 359,383 393,631
Recognized in net earnings (loss) (10,047) (32,562)
Foreign exchange 14,942 (1,686)
Ending Balance 364,278 359,383
Partnership Deferrals [member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance 11,082 2,532
Recognized in net earnings (loss) 10,686 8,550
Ending Balance 21,768 11,082
Other Deferred Tax Liabilities [Member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance 6,221 6,322
Recognized in net earnings (loss) 51 (99)
Foreign exchange 12 (2)
Ending Balance 6,284 6,221
Losses [member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance (340,406) (370,439)
Recognized in net earnings (loss) 33,827 28,528
Foreign exchange (12,388) 1,505
Ending Balance (318,967) (340,406)
Debt Issue Costs [Member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance 1,457 2,665
Recognized in net earnings (loss) (154) (1,208)
Ending Balance 1,303 1,457
Long-Term Incentive Plan [member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance (14,264) (4,956)
Recognized in net earnings (loss) (21,583) (9,291)
Foreign exchange (695) (17)
Ending Balance (36,542) (14,264)
Other Deferred Tax Assets [Member]    
Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Line Items]    
Beginning Balance (12,121) (9,617)
Recognized in net earnings (loss) 3,008 (2,517)
Foreign exchange (520) 13
Ending Balance $ (9,633) $ (12,121)