INCOME TAXES - Schedule of Geographical Breakdown of Income Before the Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Domestic (Canada) income (loss)	$ 42.7	$ 7.4	$ (6.2)
Foreign income	489.5	298.6	245.3
Earnings before income taxes	$ 532.2	$ 306.0	$ 239.1