ACQUISITIONS: Schedule of Pro Forma Financial Information (Details) - Data Plus Math Corporation - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Revenues	$ 381,501	$ 287,467
Net earnings (loss)	$ (129,211)	$ 1,010,241
Pro forma basic earnings (loss) per share, (in dollars per share)	$ (1.91)	$ 13.47
Pro forma diluted earnings (loss) per share, (in dollars per share)	$ (1.91)	$ 13.47

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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