RESERVES FOR CREDIT LOSSES, Activity (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2019		Sep. 30, 2018
Activity in reserves for credit losses [Roll Forward]
Balance	$ 2,614		$ 2,664
Provision for credit losses	299		82
Write-offs and other	(45)		(1)
Balance	2,868		2,745
Accounts Receivable [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	1,579		1,538
Provision for credit losses	311		127
Write-offs and other	(42)		(1)
Balance	1,848		1,664
Notes Receivable [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	505	[1]	486
Provision for credit losses	15		(3)
Write-offs and other	0		0
Balance	520	[1]	483
Lease-Related Receivables [Member]
Activity in reserves for credit losses [Roll Forward]
Balance	530	[1]	640
Provision for credit losses	(27)		(42)
Write-offs and other	(3)		0
Balance	$ 500	[1]	$ 598

[1] For details on reserve for credit losses, refer to Note 7, “Reserves for Credit Losses.”