INVESTMENTS IN VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended		9 Months Ended		22 Months Ended
	Jun. 30, 2026	Jan. 31, 2026	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Dec. 31, 2025	Feb. 28, 2019
Variable Interest Entity [Line Items]
Investment in preferred equity securities			$ 137.6		$ 137.6		$ 137.6	$ 185.5
Loss on impairment			0.0	$ 0.0	163.6	$ 47.1
Variable Interest Entity, Not Primary Beneficiary \| Medical Device Company, November 2019 Investment
Variable Interest Entity [Line Items]
Investee drew additional amount			4.0		4.0		4.0
Investment in preferred equity securities			10.5		10.5		10.5
Investment option to acquire			10.0		10.0		10.0
Variable Interest Entity, Not Primary Beneficiary \| Medical Device Company, December 2024 Investment
Variable Interest Entity [Line Items]
Investment in preferred equity securities			$ 35.0		35.0		35.0	35.0
Investment option to acquire								40.0
Amount advanced during period							$ 16.0
Loss on impairment	$ 40.0
Variable Interest Entity, Not Primary Beneficiary \| Medical Device Company, February 2019 Investment
Variable Interest Entity [Line Items]
Investee drew additional amount								$ 77.5
Investment option to acquire									$ 35.0
Loss on impairment					123.6
Accrued interest					$ 11.1
Variable Interest Entity, Not Primary Beneficiary \| JenaValve Technology, Inc
Variable Interest Entity [Line Items]
Termination loan clause		$ 45.0