XML 181 R140.htm IDEA: XBRL DOCUMENT v3.22.2.2
Financial instruments - Sensitivity analysis (Details) - Currency risk - CAD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
euro impact    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Increase in net earnings $ 2,835 $ 1,294
Decrease in other comprehensive loss (183,986) (83,334)
U.S. dollar impact    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Increase in net earnings 3,604 1,416
Decrease in other comprehensive loss (179,780) (187,587)
British pound impact    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Increase in net earnings 622 1,227
Decrease in other comprehensive loss (31,700) (25,622)
Swedish krona impact    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Increase in net earnings 883 171
Decrease in other comprehensive loss $ (8,577) $ (8,287)