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SEGMENT INFORMATION - Schedule of Property and Equipment and Total Assets by Reportable Segment (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Schedule of Segment Reporting Information, by Segment
Total assets	$ 10,390.6	$ 9,824.2
Continuing Operations
Schedule of Segment Reporting Information, by Segment
Property and equipment, net	3,138.9	2,856.5
Total assets	10,369.5	9,806.6
U.S. | Continuing Operations
Schedule of Segment Reporting Information, by Segment
Property and equipment, net	2,416.9	2,181.9
Total assets	8,159.9	7,630.1
U.K. | Continuing Operations
Schedule of Segment Reporting Information, by Segment
Property and equipment, net	722.0	674.6
Total assets	$ 2,209.5	$ 2,176.6

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