REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	May 19, 2025	Mar. 31, 2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contract with liability	$ 1,268.1		$ 1,268.1			$ 1,108.9
Contract with liability recognized	322.2	$ 300.6	855.4	$ 824.5
Remaining obligation	1,492.4		1,492.4
Contract asset	84.5		84.5			$ 80.8
Accounts receivable held-for-sale					$ 215.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining obligation	$ 1,416.8		$ 1,416.8
Remaining obligation period	12 months		12 months