v3.25.4
CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Stock issued during period, conversion of convertible shares (in shares)     18.6
Repurchase of capital stock for cancellation $ 153.3 [1] $ 152.1 [2] $ 38.3 [3]
Shares repurchased for cancellation and share buyback taxes 150.7    
Capital stock      
Stock issued during period, conversion of convertible shares (in shares)     18.6
Stock issued during period, conversion of convertible shares     $ 0.0
Repurchase of capital stock for cancellation $ 19.0 [1] 45.4 [2] 43.0 [3]
2023 SBC      
Purchase of treasury stock for stock-based compensation   119.6 82.3
2023 NCIB      
Repurchase of capital stock for cancellation     35.6
Accrual for repurchase of stock under automatic share purchase plan     2.7
2023 SBC      
Accrual for repurchase of stock under automatic share purchase plan     $ 7.5
2024 NCIB      
Repurchase of capital stock for cancellation   $ 152.0  
[1] Consists of $150.7 paid to repurchase common shares for cancellation in 2025 and accrued share buyback taxes. See note 12.
[2] Consists of $152.0 paid to repurchase common shares for cancellation in 2024 and accrued share buyback taxes, offset in part by the reversal of 2023 NCIB Accrual. See note 12.
[3] Consists of $35.6 paid to repurchase common shares for cancellation in 2023 and $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 (2023 NCIB Accrual). See note 12.