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GOODWILL AND FRANCHISE VALUE - Schedule of Franchise Value (Details) - Franchise Rights $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2026 USD ($) | Dec. 31, 2025 USD ($) store
Intangible Asset, Indefinite-Lived [Line Items] |  |
Number of underperforming store not recoverable | store |  | 1
Indefinite-lived Intangible Assets [Roll Forward] |  |
Balance as of beginning of period | $ 2,777.4 | $ 2,550.3
Additions through acquisitions | 35.2 | 231.1
Reductions through divestitures | (20.8) | (20.9)
Reductions from impairments |  | (5.8)
Currency translation | (10.1) | 22.7
Balance as of end of period | 2,781.7 | 2,777.4
2024 Acquisitions |  |
Indefinite-lived Intangible Assets [Roll Forward] |  |
Additions through acquisitions |  | 218.0
2025 Acquisitions |  |
Indefinite-lived Intangible Assets [Roll Forward] |  |
Additions through acquisitions | $ 35.2 | $ 13.1

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