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INTANGIBLE FRANCHISE RIGHTS AND GOODWILL - Roll-Forward of Intangible Franchise Rights by Reportable Segment (Details) - Intangible Franchise Rights $ in Millions	Dec. 31, 2024 USD ($)
Indefinite-lived Intangible Assets
Balance, December 31, 2023	$ 701.2
Balance, December 31, 2024	948.1
U.S.
Indefinite-lived Intangible Assets
Balance, December 31, 2023	682.0
Balance, December 31, 2024	809.8
U.K.
Indefinite-lived Intangible Assets
Balance, December 31, 2023	19.2
Balance, December 31, 2024	$ 138.3

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 40
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482640/350-30-55-40

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 10
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-2

+ Details

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X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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