FIXED ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Property, Plant and Equipment [Line Items]
Fixed assets, gross	$ 275,550	$ 267,630
Less – accumulated depreciation	(240,815)	(226,293)
Fixed assets, net	34,735	41,337
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Fixed assets, gross	$ 9,786	9,757
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	7 years
Computer equipment and internal use software
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Fixed assets, gross	$ 192,168	185,177
Computer equipment and internal use software | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Computer equipment and internal use software | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Estimated useful life	12 years
Fixed assets, gross	$ 54,863	54,442
Demonstration and spare part units
Property, Plant and Equipment [Line Items]
Fixed assets, gross	$ 18,733	$ 18,254
Demonstration and spare part units | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	2 years
Demonstration and spare part units | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years