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Plant Closure Provisions - Movements in Plant Closure and Restructuring Provisions (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Restructuring and Related Activities [Abstract]    
Beginning Balance $ 57.2  
Charge for the period 0.9  
Utilized in the period (1.2)  
Exchange effect 0.1  
Ending Balance 57.0  
Due within one year 5.0 $ 5.3
Due after one year $ 52.0 $ 51.9