REVENUES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2023
Contract with Customer, Asset and Liability [Abstract]
Accounts receivable - trade	$ 59,400		$ 59,400		$ 70,400
Current (included in deferred revenue)	118,410		118,410		113,713
Non-current (included in other liabilities)	48,331		48,331		$ 47,217
Revenue recognized from the beginning contract liability	23,400	$ 17,500	54,300	$ 42,400
Revenue, Performance Obligation Satisfied over Time [Abstract]
Remaining performance obligation	113,656		113,656
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01
Revenue, Performance Obligation Satisfied over Time [Abstract]
Remaining performance obligation	$ 40,911		$ 40,911
Expected timing of satisfaction, period	6 months		6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01
Revenue, Performance Obligation Satisfied over Time [Abstract]
Remaining performance obligation	$ 41,630		$ 41,630
Expected timing of satisfaction, period	1 year		1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-04-01
Revenue, Performance Obligation Satisfied over Time [Abstract]
Remaining performance obligation	$ 20,151		$ 20,151
Expected timing of satisfaction, period	1 year		1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-04-01
Revenue, Performance Obligation Satisfied over Time [Abstract]
Remaining performance obligation	$ 7,167		$ 7,167
Expected timing of satisfaction, period	1 year		1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-04-01
Revenue, Performance Obligation Satisfied over Time [Abstract]
Remaining performance obligation	$ 3,797		$ 3,797
Expected timing of satisfaction, period