GENERAL (Property and Equipment, Estimated Useful Lives) (Details)	12 Months Ended
	Mar. 31, 2018
Machinery, Equipment and Software [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant, and Equipment Useful Lives	2 years
Machinery, Equipment and Software [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant, and Equipment Useful Lives	15 years
Rental Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant, and Equipment Useful Lives	5 years
Rental Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant, and Equipment Useful Lives	8 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant, and Equipment Useful Lives	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant, and Equipment Useful Lives	10 years
Leasehold Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant, and Equipment Useful Lives	2 years
Leasehold Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant, and Equipment Useful Lives	10 years
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, Plant, and Equipment Useful Lives	39 years