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INTEREST INCOME, DERIVATIVES AND OTHER INVESTMENT GAINS (LOSSES) (Tables)

12 Months Ended

Dec. 31, 2023

Analysis of income and expense [abstract]

Schedule of interest income and derivatives and other investment gains (losses)

									Years ended December 31,
			Notes									2023			2022
Interest income												$	27.8		$	8.5
Gain on sale of Pitangui and Acurui Projects												15.5			—
Gains (losses) on non-hedge derivatives and warrants			21(d)									12.6			3.1
Insurance recoveries												0.6			1.2
Fair value of deferred consideration from the sale of Sadiola												(4.3)			0.7
Other gains (losses)												1.0			0.5
												$	53.2		$	14.0

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