DERIVATIVE INSTRUMENTS - BALANCE SHEET OFFSETTING (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Cash collateral
Cash collateral posted	$ 52.6	$ 100.3
Cash collateral received	0.5
Offsetting derivative assets
Gross amount recognized on the balance sheet	30.3	18.0
Gross amount not offset on the balance sheet	(7.4)	(3.1)
Net amount	22.9	14.9
Offsetting derivative liabilities
Gross amount recognized on the balance sheet	43.8	106.4
Gross amount not offset on the balance sheet	(24.5)	(71.0)
Net amount	19.3	35.4
Cash collateral posted	$ 17.1	$ 67.9

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

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