PROPERTY AND EQUIPMENT (Useful Lives) (Details)	12 Months Ended
	Mar. 31, 2023
Land improvements | Minimum [Member]
Property and equipment
Property, plant and equipment, useful life	10 years
Land improvements | Maximum [Member]
Property and equipment
Property, plant and equipment, useful life	15 years
Buildings and building improvements | Minimum [Member]
Property and equipment
Property, plant and equipment, useful life	10 years
Buildings and building improvements | Maximum [Member]
Property and equipment
Property, plant and equipment, useful life	39 years
Furniture, fixtures and office equipment | Minimum [Member]
Property and equipment
Property, plant and equipment, useful life	2 years
Furniture, fixtures and office equipment | Maximum [Member]
Property and equipment
Property, plant and equipment, useful life	10 years
Leasehold Improvements
Property and equipment
Property, plant and equipment, useful life	Shorter of asset life or life of lease
Equipment leased to customers under Power Purchase Agreements
Property and equipment
Property, plant and equipment, useful life	20 years
Plant equipment | Minimum [Member]
Property and equipment
Property, plant and equipment, useful life	3 years
Plant equipment | Maximum [Member]
Property and equipment
Property, plant and equipment, useful life	10 years
Vehicles | Minimum [Member]
Property and equipment
Property, plant and equipment, useful life	5 years
Vehicles | Maximum [Member]
Property and equipment
Property, plant and equipment, useful life	7 years