STOCK-BASED COMPENSATION: - PDP Assumed Performance Plan and Qualified EPP (Details) - USD ($) $ in Thousands	6 Months Ended
Sep. 30, 2020	Mar. 31, 2020
Share-based compensation
Other accrued expenses	$ 58,532	$ 68,991
Pacific Data Partners LLC
Share-based compensation
Non-cash stock-based compensation expense	46,900
Other accrued expenses	$ 8,200

Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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