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SOFTWARE: Summary of Software (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 113,600	$ 113,600
Accumulated amortization	85,008	69,072
Total finite-lived intangible assets, net	28,592	44,528
Developed technology (Software, net)
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	51,525	49,964
Developed technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	54,000	54,000
Software
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	105,525	103,964
Accumulated amortization	98,664	89,994
Total finite-lived intangible assets, net	$ 6,861	$ 13,970

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