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Plant Closure Provisions (Tables)
3 Months Ended
Mar. 31, 2021
Restructuring and Related Activities [Abstract]  
Movements in Plant Closure and Restructuring Provisions
Movements in the provisions are summarized as follows:
 
(in millions)
  
2021
 
Total at January 1
   $ 58.5  
Charge for the period
     1.0  
Utilized in the period
     (1.2
Exchange effect
     (0.4
    
 
 
 
Total at March 31
     57.9  
Due within one year
     (6.6
    
 
 
 
Due after one year
   $ 51.3