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Share Capital (Earnings (loss) per share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disclosure of share capital, reserves and other equity interest [Abstract]
Net (loss) earnings	$ (66.7)	$ 144.2
Weighted average number of common shares outstanding (in shares)	392,649	391,675
Basic loss per share (usd per share)	$ (0.17)	$ 0.37
Dilutive effect of potential common share equivalents (in shares)	0	3,187
Diluted weighted average number of common shares outstanding (in shares)	392,649	394,862
Diluted loss per share (usd per share)	$ (0.17)	$ 0.37

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Disclosure of share capital, reserves and other equity interest [Abstract]

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The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

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The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

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