Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (1,254.1)	$ (873.8)
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Cost	3,718.6	3,542.5
Accumulated amortization	(1,254.1)	(873.8)
Net book value	2,464.5	2,668.7
Software under development
Indefinite-lived Intangible Assets [Line Items]
Software under development	5.9	2.8
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	225.8	220.5
Accumulated amortization	(103.3)	(63.2)
Net book value	122.5	157.3
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated amortization	(103.3)	(63.2)
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	2,588.6	2,538.1
Accumulated amortization	(568.3)	(393.7)
Net book value	2,020.3	2,144.4
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated amortization	(568.3)	(393.7)
Software and technology assets
Finite-Lived Intangible Assets [Line Items]
Cost	898.3	781.1
Accumulated amortization	(582.5)	(416.9)
Net book value	315.8	364.2
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated amortization	$ (582.5)	$ (416.9)