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Share-based compensation - Expected Share-Based Compensation Expense (Details) $ in Millions	Dec. 31, 2023 USD ($)
2024
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items]
Expected share-based compensation expense	$ 93.1
2025
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items]
Expected share-based compensation expense	57.3
2026
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items]
Expected share-based compensation expense	24.9
2027
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items]
Expected share-based compensation expense	$ 4.1

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- Definition

Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items]

+ References

No definition available.

+ Details

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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