REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Mar. 31, 2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contract with liability	$ 1,099.6		$ 1,099.6		$ 1,102.4
Contract with liability recognized	300.6	$ 314.3	824.5	$ 838.2
Remaining obligation	1,218.1		1,218.1
Contract asset	79.4		79.4		$ 85.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining obligation	$ 1,125.4		$ 1,125.4
Remaining obligation period	12 months		12 months