RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES - Schedule of Restructuring Activity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2023	Mar. 31, 2021
Restructuring Reserve [Roll Forward]
Restructuring charges and adjustments	$ 1,383	$ 2,962	$ 1,471	$ 3,701
Employee-related reserves
Restructuring Reserve [Roll Forward]
Restructuring charges and adjustments			1,500		$ 7,800	$ 1,700
Restructuring reserve, at the end of the period	100		100
Continuing Operations
Restructuring Reserve [Roll Forward]
Restructuring reserve, at the beginning of the period			5,632
Restructuring charges and adjustments			1,869
Payments			(1,980)
Restructuring reserve, at the end of the period	5,521		5,521		5,632
Continuing Operations | Employee-related reserves
Restructuring Reserve [Roll Forward]
Restructuring reserve, at the beginning of the period			759
Restructuring charges and adjustments			1,471
Payments			(714)
Restructuring reserve, at the end of the period	1,516		1,516		759
Continuing Operations | Lease accruals
Restructuring Reserve [Roll Forward]
Restructuring reserve, at the beginning of the period			4,873
Restructuring charges and adjustments			398
Payments			(1,266)
Restructuring reserve, at the end of the period	$ 4,005		$ 4,005		$ 4,873