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Income Taxes (Components of tax expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disclosure of income tax [Abstract]
Current income tax expense	$ 5.3	$ 30.1
Deferred income tax expense	63.7	43.9
Income tax expense recognized in net earnings	$ 69.0	$ 74.0

- Definition

The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)]

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