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Goodwill and Franchise Value - Schedule of Franchise Value (Details) - Franchise Rights - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Indefinite-lived Intangible Assets [Roll Forward]
Beginning balance	$ 2,402.2	$ 1,856.2
Additions through acquisitions	172.5	556.5
Reductions through divestitures	(9.5)	(14.5)
Currency translation	(14.9)	4.0
Ending balance	2,550.3	2,402.2
2022 Acquisition
Indefinite-lived Intangible Assets [Roll Forward]
Adjustments to purchase price allocations		363.1
2023 Acquisition
Indefinite-lived Intangible Assets [Roll Forward]
Adjustments to purchase price allocations	$ 172.5	$ 193.4

X

- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

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-Topic 350
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Amount of increase (decrease) of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit, from purchase accounting adjustments.

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Amount of increase (decrease) of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit, from foreign currency translation and purchase accounting adjustments.

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Amount of divestiture of an asset lacking physical substance and having a projected indefinite period of benefit to fair value. Excludes financial assets and goodwill.

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Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.

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