Related party transactions - Summary of Remuneration of Directors (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disclosure of transactions between related parties [abstract]
Salaries	$ 0.9	$ 1.0	$ 1.8	$ 1.8
Share-based compensation	2.4	3.2	4.6	8.7
Fees and benefits	1.1	1.0	2.0	1.9
Post employment benefits	0.0	0.0	0.1	0.0
Total remuneration of key management personnel	$ 4.4	$ 5.2	$ 8.5	$ 12.4

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The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

+ References

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- Definition

The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]]

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- Definition

The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

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- Definition

The amount of post-employment benefit expense included in profit or loss

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Key Management Personnel Compensation, Fees And Benefits

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