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INTANGIBLE FRANCHISE RIGHTS AND GOODWILL - Roll-Forward of Goodwill by Reportable Segment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Goodwill |  |
Balance | $ 997.1 | $ 994.5
Additions through acquisitions | 453.5 | 1.4
Disposals | (4.1) | (2.0)
Reclassified to assets held for sale | (25.0) |
Currency translation | (1.3) | 3.2
Balance | 1,420.2 | 997.1
U.S. |  |
Goodwill |  |
Balance | 901.7 | 902.3
Additions through acquisitions | 434.6 | 1.4
Disposals | (4.1) | (2.0)
Reclassified to assets held for sale | (25.0) |
Currency translation | 0.0 | 0.0
Balance | 1,307.3 | 901.7
Accumulated impairment | 40.6 |
U.K. |  |
Goodwill |  |
Balance | 95.4 | 92.1
Additions through acquisitions | 18.9 | 0.0
Disposals | 0.0 | 0.0
Reclassified to assets held for sale | 0.0 |
Currency translation | (1.3) | 3.2
Balance | $ 112.9 | $ 95.4

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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