INCOME TAXES - Reconciliation of unrecognized tax benefits (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Unrecognized tax benefits, beginning balance	$ 237.5	$ 212.1	$ 162.1
Gross increases related to prior year tax positions	0.2	0.0	21.8
Gross decreases related to prior year tax positions	(3.1)	(1.5)	0.0
Gross increases related to current year tax positions	34.4	31.1	32.9
Settlements	(49.9)	(2.5)	(3.7)
Lapse of statute of limitations	0.0	(1.7)	(1.0)
Unrecognized tax benefits, ending balance	$ 219.1	$ 237.5	$ 212.1

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Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-217

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 15A
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-Topic 740
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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