XML 112 R75.htm IDEA: XBRL DOCUMENT v3.22.0.1
Income taxes - Recognized in OCI (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Before Tax Gain (Loss)    
Gain (loss) on change in the fair value of equity investments of FVTOCI $ 26.1 $ 50.5
Currency translation adjustment (4.0) 19.6
Other comprehensive income (loss) 22.1 70.1
Tax (Expense) Recovery    
Gain (loss) on change in the fair value of equity investments at FVTOCI (3.5) (6.7)
Other comprehensive income (loss) (3.5) (6.7)
Deferred tax (3.5) (1.5)
Tax expense in other comprehensive income (3.5) (1.5)
After Tax Gain (Loss)    
Gain (loss) on change in the fair value equity investments at FVTOCI 22.6 43.8
Currency translation adjustment (4.0) 19.6
Other comprehensive income $ 18.6 $ 63.4