SEGMENT REPORTING - Geographic area & Narratives (Details) $ in Millions	12 Months Ended
Dec. 31, 2024 USD ($) segment	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
SEGMENT REPORTING
Number of reportable segments \| segment	2
Financial information by reportable operating segment
Revenues	$ 4,637.2	$ 4,812.6	$ 3,911.4
Long-term assets, net	7,300.3	7,806.1
U. S. markets \| Operating Segments
Financial information by reportable operating segment
Long-term assets, net	5,474.2	5,795.6
International markets \| Operating Segments
Financial information by reportable operating segment
Long-term assets, net	1,826.1	2,010.5
U.S. Markets
Financial information by reportable operating segment
Revenues	3,544.2	3,688.7	2,961.7
UK
Financial information by reportable operating segment
Revenues	408.8	400.9	379.3
Spain
Financial information by reportable operating segment
Revenues	143.3	148.2	114.6
Sweden
Financial information by reportable operating segment
Revenues	116.4	124.9	125.0
Italy
Financial information by reportable operating segment
Revenues	147.6	151.9	90.4
Germany
Financial information by reportable operating segment
Revenues	111.6	125.8	96.2
Finland
Financial information by reportable operating segment
Revenues	90.1	97.9	73.9
Ireland
Financial information by reportable operating segment
Revenues	32.5	32.2	27.3
Other foreign countries
Financial information by reportable operating segment
Revenues	$ 42.7	$ 42.1	$ 43.0

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