CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025		Mar. 31, 2024
Repurchase of capital stock for cancellation	$ 76.2	[1]	$ 13.8	[2]
2023 SBC
Purchase of treasury stock for stock-based compensation			101.6
2023 NCIB
Repurchase of capital stock for cancellation			$ 16.5
2025 NCIB
Repurchase of capital stock for cancellation	75.0
Accrual for repurchase of stock for buyback taxes	$ 1.2

[1] Consists of $75.0 paid to repurchase common shares for cancellation during the first quarter of 2025 and $1.2 accrued at March 31, 2025 for share buyback taxes (see note 9).

[2] Consists of $16.5 paid to repurchase common shares for cancellation during the first quarter of 2024, offset in part by the reversal of $2.7 accrued at December 31, 2023 for the estimated contractual maximum quantity of permitted common share repurchases (Contractual Maximum Quantity) under an automatic share purchase plan (ASPP) executed in December 2023 for such purpose (see note 9).