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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Fair value as of the balance sheet date of all foreign currency derivative assets not designated as hedging instruments.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Fair value of financial instruments - Economic Hedges (Details) - Foreign Exchange Contract - Not Designated as Hedging Instrument - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Location, Statement of Income, Balance [Axis]: us-gaap:OtherOperatingIncomeExpenseNet
Derivative [Line Items]
Gain (loss) on foreign currency contract	$ 2.6	$ 11.3	$ 18.7	$ (23.9)
Level 2
Derivative [Line Items]
Fair value of derivative instruments, net	2.3		2.3		$ (1.1)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesCurrent \| Level 2
Derivative [Line Items]
Fair value of derivative instruments, liability	(7.0)		(7.0)		(5.3)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseCurrent \| Level 2
Derivative [Line Items]
Fair value of derivative instruments, asset	$ 9.3		$ 9.3		$ 4.2