Quarterly report pursuant to Section 13 or 15(d)

INVENTORIES - Schedule of Service Parts Inventories (Details)

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INVENTORIES - Schedule of Service Parts Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Mar. 31, 2015
Service parts inventories:    
Finished goods $ 18,675 $ 18,143
Component parts 4,592 6,497
Total service parts inventories $ 23,267 $ 24,640