INCOME TAXES: - Earnings (loss) before income tax attributable to U.S. and non-U.S. continuing operations (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Abstract]
U.S.	$ (160,457)	$ (174,867)	$ (132,552)
Non-U.S.	(5,080)	(4,489)	(470)
Loss from continuing operations before income taxes	$ (165,537)	$ (179,356)	$ (133,022)

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

+ References

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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