Quarterly report pursuant to Section 13 or 15(d)

INVENTORIES - Schedule of Manufacturing Inventories (Details)

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INVENTORIES - Schedule of Manufacturing Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Mar. 31, 2016
Manufacturing inventories:    
Finished goods $ 19,591 $ 22,127
Work in process 447 665
Materials and purchased parts 16,204 17,822
Total manufacturing inventories $ 36,242 $ 40,614