CAPITAL STOCK - Schedule of SBC Expense and RSU Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Director SBC expense	$ 57.4	$ 55.6	$ 51.0
SG&A
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Director SBC expense	32.6	33.0	30.7
SG&A | Director
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Director SBC expense	$ 2.4	$ 2.4	$ 2.2
RSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Director RSUs granted, Number of awards (in shares)	800
Director RSUs granted, Weighted average grant date fair value (in dollars per share)	$ 37.74
RSUs | Director
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Director RSUs granted, Number of awards (in shares)	10	20	40
Director RSUs granted, Weighted average grant date fair value (in dollars per share)	$ 57.20	$ 18.15	$ 10.44