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Income Taxes - Changes in Deferred Income Tax (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of income taxes [line items]      
Beginning balance $ (167.0) $ (322.5) $ (408.2)
Temporary differences 62.3 55.0 (44.8)
Tax loss carryforwards 84.1 (15.5) 9.5
Functional currency effect of the non-monetary assets (242.5) 112.3 100.3
Gains not realized 5.4 12.2 6.1
Effect of differences in fixed asset (16.0) (16.1) (17.6)
Derivatives / Hedge Accounting 1.3 0.2 1.3
Differences between basis: account x tax (3.9) 7.4 30.9
Ending balance (276.3) (167.0) (322.5)
From the statement of income [member]      
Disclosure of income taxes [line items]      
Beginning balance (219.5) (372.1) (458.9)
Temporary differences 62.3 55.0 (44.8)
Tax loss carryforwards 84.1 (15.5) 9.5
Functional currency effect of the non-monetary assets (242.5) 112.3 100.3
Gains not realized 5.4 12.2 6.1
Effect of differences in fixed asset (16.0) (16.1) (17.6)
Derivatives / Hedge Accounting (4.7) 0.2 1.3
Differences between basis: account x tax (0.6) 4.5 32.0
Ending balance (331.5) (219.5) (372.1)
Other comprehensive income [member]      
Disclosure of income taxes [line items]      
Beginning balance 52.5 49.6 50.7
Derivatives / Hedge Accounting 6.0    
Differences between basis: account x tax (3.3) 2.9 (1.1)
Ending balance $ 55.2 $ 52.5 $ 49.6