v3.24.0.1
Share-based payment obligation (Details)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Oct. 14, 2021
Jul. 01, 2021
USD ($)
Jul. 14, 2020
USD ($)
Mar. 09, 2020
USD ($)
Jul. 10, 2019
$ / shares
Mar. 31, 2023
Dec. 31, 2023
USD ($)
Option
Dec. 31, 2022
USD ($)
Disclosure of terms and conditions of share-based payment arrangement [line items]                
Exercise price of outstanding share options | $ / shares         $ 0      
LTIP1, LTIP2, LTIP2B and LTIP3 plans                
Disclosure of terms and conditions of share-based payment arrangement [line items]                
Exercise price of outstanding share options | $ / shares         $ 0      
Percentage of shares awarded in the event of initial public offering         66.70%      
Percentage of shares not automatically awarded in event of initial public offering, subject to performance conditions         33.30%      
Share options subject to performance conditions, annual vesting percentage if target achieved 50.00%              
Percentage of outstanding options converted to shares 66.70%           33.30%  
Fair value of options granted, at grant date   $ 3.7 $ 0.7 $ 2.2        
Number of share options expired | Option             0  
Omnibus share-based payment plans                
Disclosure of terms and conditions of share-based payment arrangement [line items]                
Expected charge over remaining term of outstanding share options               $ 16.0
Fair value of options granted, at grant date             $ 49.9  
Omnibus share-based payment plans, PSUs with market conditions                
Disclosure of terms and conditions of share-based payment arrangement [line items]                
Fair value of options granted, at grant date             8.2  
Omnibus share-based payment plans, RSUs with non-market conditions                
Disclosure of terms and conditions of share-based payment arrangement [line items]                
Fair value of options granted, at grant date             $ 22.7  
5% Adjusted EBITDA growth and Adjusted funds from operations | LTIP1, LTIP2, LTIP2B and LTIP3 plans                
Disclosure of terms and conditions of share-based payment arrangement [line items]                
Share options subject to performance conditions, annual vesting percentage if target achieved         50.00%      
Measurement period for share-based payment arrangement         12 months      
Adjusted EBITDA growth and adjusted funds from operations percentage         5.00%      
5% to 10% Adjusted EBITDA growth and Adjusted funds from operations | LTIP1, LTIP2, LTIP2B and LTIP3 plans                
Disclosure of terms and conditions of share-based payment arrangement [line items]                
Share options subject to performance conditions, annual vesting percentage if target achieved         50.00%      
Measurement period for share-based payment arrangement         12 months      
5% to 10% Adjusted EBITDA growth and Adjusted funds from operations | LTIP1, LTIP2, LTIP2B and LTIP3 plans | Minimum                
Disclosure of terms and conditions of share-based payment arrangement [line items]                
Adjusted EBITDA growth and adjusted funds from operations percentage         5.00%      
5% to 10% Adjusted EBITDA growth and Adjusted funds from operations | LTIP1, LTIP2, LTIP2B and LTIP3 plans | Maximum                
Disclosure of terms and conditions of share-based payment arrangement [line items]                
Adjusted EBITDA growth and adjusted funds from operations percentage         10.00%      
Forecast | LTIP1, LTIP2, LTIP2B and LTIP3 plans                
Disclosure of terms and conditions of share-based payment arrangement [line items]                
Share options subject to performance conditions, annual vesting percentage if target achieved           50.00%