Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Liability

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award,, Performance Period

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Target, Percent

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ 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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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

+ References

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Share-based compensation - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Incremental shared-based compensation expense	$ 25.2	$ 3.0	$ 57.3	$ 5.4
Unrecognized share-based compensation cost related to unvested stock option awards	204.4		204.4		$ 247.7
Share options
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Incremental shared-based compensation expense	17.4	3.0	$ 35.4	5.4
Unrecognized share-based compensation cost, period of recognition			1 year 4 months 24 days
Restricted stock units
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Incremental shared-based compensation expense	5.4	0.0	$ 16.0	0.0
Unrecognized share-based compensation cost, period of recognition			2 years
Share-based compensation, cost not yet recognized	74.5		$ 74.5		$ 34.9
Employee share purchase plan
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Incremental shared-based compensation expense	0.1	0.0	0.3	0.0
Liability-classified awards
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Incremental shared-based compensation expense	2.3	$ 0.0	5.6	$ 0.0
Liability balance of liability classified awards	$ 9.3		9.3
Performance Shares
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Incremental shared-based compensation expense			$ 0.9
Share-Based Compensation Arrangement by Share-Based Payment Award,, Performance Period			3 years
Performance Shares \| Minimum
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Performance shares target award percentage			0.00%
Performance Shares \| Maximum
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Performance shares target award percentage			250.00%