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Net defined benefit assets (liability) - Additional Information (Detail)
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
wk
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Disclosure of net defined benefit asset (liability) [line items]      
Actuarial gain recognized in other comprehensive income | $ $ (2.1) $ (7.2) $ 5.4
Duration of defined benefit plan obligation 8 years 3 months 18 days    
Seniority Premium Plan      
Disclosure of net defined benefit asset (liability) [line items]      
Number of weeks salary per years of service | wk 1    
Average of monthly base salary, number of years 5 years