MARKETABLE SECURITIES - Summary of Available-for-Sale Debt Securities (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]
Amortized Cost	$ 176.9	$ 169.5
Pre-Tax Unrealized Gains	1.1	1.4
Pre-Tax Unrealized Losses	(5.1)	(6.6)
Fair Value	$ 172.9	$ 164.3

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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