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GOODWILL AND FRANCHISE VALUE - Schedule of Franchise Value (Details) - Franchise Rights - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Indefinite-lived Intangible Assets [Roll Forward] |  |
Balance as of beginning of period | $ 2,402.2 | $ 1,856.2
Additions through acquisitions | 172.5 | 556.5
Reductions through divestitures | (1.3) | (14.5)
Currency translation | (5.3) | 4.0
Balance as of end of period | 2,568.1 | 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

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