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MARKETABLE SECURITIES - Contractual Maturity (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Amortized Cost    
Less than one year $ 11.3  
One to five years 35.6  
Six to ten years 43.5  
Greater than ten years 72.8  
Amortized Cost 163.2 $ 169.5
Fair Value    
Less than one year 11.7  
One to five years 35.6  
Six to ten years 42.6  
Greater than ten years 67.3  
Total Debt Securities $ 157.2 $ 164.3