Other Operating Income (Expense), net (Details) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
	Aug. 31, 2025	Sep. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Restructuring Cost and Reserve [Line Items]
Other operating income (expense), net		$ (275.2)		$ (65.8)	$ (300.3)	$ (59.4)
Loss on deconsolidation				(41.1)
Accelerated depreciation			$ 17.9
Impairment of a definite-lived asset		273.9
EMEA&APAC
Restructuring Cost and Reserve [Line Items]
Impairment loss		198.6
Impairment of a definite-lived asset	$ 198.6
Americas
Restructuring Cost and Reserve [Line Items]
Impairment of a definite-lived asset		75.3
Employee-related charges
Restructuring Cost and Reserve [Line Items]
Other operating income (expense), net		(0.9)		(2.2)	(9.2)	(1.1)
Asset abandonment and other restructuring costs
Restructuring Cost and Reserve [Line Items]
Other operating income (expense), net		(0.4)		(21.9)	(20.1)	(21.9)
Gains (losses) on disposals and other
Restructuring Cost and Reserve [Line Items]
Other operating income (expense), net		0.0		(41.7)	2.9	(36.4)
Intangible and tangible asset impairments, excluding goodwill
Restructuring Cost and Reserve [Line Items]
Other operating income (expense), net		$ (273.9)		$ 0.0	$ (273.9)	$ 0.0