v3.25.2
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2025
Jun. 30, 2024
Repurchase of capital stock for cancellation $ 40.7 [1] $ 116.9 [2] $ 23.8 [3]
2023 SBC      
Purchase of treasury stock for stock-based compensation     101.6
2025 NCIB      
Repurchase of capital stock for cancellation $ 40.0 $ 115.0  
2023 NCIB      
Repurchase of capital stock for cancellation     $ 26.5
[1] Consists of $40.0 paid to repurchase common shares for cancellation during the second quarter of 2025 and accrued share buyback taxes (see note 9).
[2] Consists of $115.0 paid to repurchase common shares for cancellation during the first half of 2025 and accrued share buyback taxes (see note 9).
[3] Consists of $26.5 paid to repurchase common shares for cancellation during the first half 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).