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EARNINGS (LOSS) PER SHARE (Details) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2019 $ / shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares
Earnings per share
Basic net earnings (loss) attributable to common shareholders | $		$ 718.6	$ (23.6)
Diluted net earnings (loss) attributable to common shareholders | $		$ 718.6	$ (23.6)
Basic weighted average shares outstanding		1,252,316	1,249,495
Weighted average shares dilution adjustments:
Stock options		1,679
Restricted shares		3,181
Restricted performance shares		5,168
Diluted weighted average shares outstanding		1,262,344	1,249,495
Share options
Weighted average shares dilution adjustments - exclusions:
Antidilutive securities excluded from computation of earnings per share (in shares)		3,870	8,819
Weighted average share price | (per share)	$ 6.20	$ 3.97	$ 3.44
Restricted share units
Weighted average shares dilution adjustments - exclusions:
Antidilutive securities excluded from computation of earnings per share (in shares)			2,777
Restricted performance share units
Weighted average shares dilution adjustments - exclusions:
Antidilutive securities excluded from computation of earnings per share (in shares)			4,708

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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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