INVESTMENTS IN VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Millions	1 Months Ended
	Apr. 30, 2025	Jul. 31, 2024	Mar. 31, 2025	Dec. 31, 2024	Apr. 30, 2021
Variable Interest Entity [Line Items]
Assets			$ 13,022.3	$ 13,055.3
Liabilities			2,830.7	2,992.4
Carrying value of non-marketable equity securities			120.1	119.1
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Assets			247.1	252.3
Liabilities			23.1	24.3
Variable Interest Entity, Not Primary Beneficiary | JenaValve Technology, Inc
Variable Interest Entity [Line Items]
Maximum secured promissory note		$ 75.0
Period for merger to close		90 days
Investee drew additional amount			30.0	15.0
Variable Interest Entity, Not Primary Beneficiary | JenaValve Technology, Inc | Subsequent Event
Variable Interest Entity [Line Items]
Investee drew additional amount	$ 7.5
Variable Interest Entity, Not Primary Beneficiary | Medical Device Company, April 2021 Investment
Variable Interest Entity [Line Items]
Maximum secured promissory note					$ 45.0
Investee drew additional amount			45.0	45.0
Carrying value of non-marketable equity securities			42.8	42.8
Investment option to acquire			20.9	$ 20.9
Maximum additional required investment			1.2
Maximum additional option to acquire investment			$ 2.6
Variable Interest Entity, Not Primary Beneficiary | Medical Device Company, April 2021 Investment | Subsequent Event
Variable Interest Entity [Line Items]
Payments to option to acquire	1.8
Payments for option to acquire investment	$ 4.0