INVESTMENTS AND FAIR VALUE MEASUREMENTS - NARRATIVE (Details) - USD ($) $ in Millions	Apr. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, total aggregated loss		$ 0.2
Debt securities, available-for-sale, credit-related impairment loss	$ 0.0	0.0
Maximum
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, total aggregated loss	0.1
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Fair value of available-for-sale debt securities in unrealized loss position, Total	5.6	7.1
Corporate bonds | Maximum
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, total aggregated loss	0.1
U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Fair value of available-for-sale debt securities in unrealized loss position, Total	$ 25.2	$ 2.7