XML 124 R96.htm IDEA: XBRL DOCUMENT v3.22.0.1
Summary of Accumulated Other Comprehensive Income (Detail) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of Accumulated Other Comprehensive Income Loss [Line Items]    
Beginning Balance $ 137,581  
Ending Balance 134,780 $ 137,581
Unrealized Foreign Currency Translation Gains (Losses) [member]    
Disclosure Of Accumulated Other Comprehensive Income Loss [Line Items]    
Beginning Balance 483,657 509,582
Other comprehensive income (loss) (11,256) (25,925)
Ending Balance 472,401 483,657
Foreign Exchange Gain (Loss) on Net Investment Hedge [member]    
Disclosure Of Accumulated Other Comprehensive Income Loss [Line Items]    
Beginning Balance (351,474) (375,327)
Other comprehensive income (loss) 8,455 23,853
Ending Balance (343,019) (351,474)
Accumulated Other Comprehensive Income [Member]    
Disclosure Of Accumulated Other Comprehensive Income Loss [Line Items]    
Beginning Balance 137,581 134,255
Other comprehensive income (loss) (2,801) 3,326
Ending Balance 134,780 137,581
Tax Benefit Related To Net Investment Hedge Of Long Term Debt [Member]    
Disclosure Of Accumulated Other Comprehensive Income Loss [Line Items]    
Beginning Balance 5,398 0
Other comprehensive income (loss) 0 5,398
Ending Balance $ 5,398 $ 5,398