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Share-based compensation (Expected share-based compensation expense) (Details) $ in Millions | Dec. 31, 2021 USD ($)
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2022 |
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items] |
Expected share-based compensation expense | $ 90.8
2023 |
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items] |
Expected share-based compensation expense | 69.9
2024 |
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items] |
Expected share-based compensation expense | 57.5
2025 |
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items] |
Expected share-based compensation expense | 30.0
2026 |
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items] |
Expected share-based compensation expense | $ 5.9

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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