MARKETABLE SECURITIES - Contractual Maturities of Available-for-Sale Debt Securities (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Amortized Cost
Less than one year	$ 22.4
One to five years	56.0
Six to ten years	40.8
Greater than ten years	86.2
Amortized Cost	205.4	$ 214.5
Fair Value
Less than one year	22.4
One to five years	54.6
Six to ten years	36.7
Greater than ten years	76.4
Fair Value	$ 190.1	$ 219.4

Amortized cost 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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