| INVENTORIES Schedule of Service Parts Inventories (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Mar. 31, 2020 | 
|---|---|---|
| Inventory Disclosure [Abstract] | ||
| Finished goods | $ 17,924 | $ 15,845 | 
| Component parts | 5,287 | 4,657 | 
| Total service parts inventories | $ 23,211 | $ 20,502 | 
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- Definition Carrying amount as of the balance sheet date of service parts inventories. No definition available. 
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- Definition Carrying amount of component parts to be used in service parts that will be consumed. No definition available. 
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- Definition Carrying amount of completed service parts merchandise or goods expected to be sold within one year or operating cycle, if longer. No definition available. 
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- References No definition available. 
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