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SOFTWARE: (Tables)
12 Months Ended
Mar. 31, 2019
Research and Development [Abstract]  
Schedule of Finite-Lived Intangible Assets
Software is summarized as follows (dollars in thousands):
March 31,March 31,
20192018
Internally developed computer software$51,525 $49,964 
Acquired developed technology54,000 54,000 
105,525 103,964 
Less accumulated amortization98,664 89,994 
$6,861 $13,970