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STOCK-BASED COMPENSATION: Stock-based compensation activity, by award type (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Share-based compensation |  |
Other non-employee stock-based compensation | $ 900 | $ 900
Total non-cash stock-based compensation | 61,600 | 38,900
Stock-based compensation of discontinued operations | 62,900 | 7,800
Total non-cash stock-based compensation included in the condensed consolidated statement of equity | 113,713 | 46,700
Pacific Data Partners LLC |  |
Share-based compensation |  |
Share-based compensation expense | 11,800 |
Stock options |  |
Share-based compensation |  |
Share-based compensation expense | 2,600 | 4,000
Performance stock |  |
Share-based compensation |  |
Share-based compensation expense | 200 | 900
Restricted stock units |  |
Share-based compensation |  |
Share-based compensation expense | 34,600 | 21,600
Arbor Holdback Agreement | Arbor |  |
Share-based compensation |  |
Share-based compensation expense | 11,500 | 11,500
Pacific Data Partners, LLC Agreement Plan | Pacific Data Partners LLC |  |
Share-based compensation |  |
Share-based compensation expense | 11,800 | 0
Liability-based equity awards |  |
Share-based compensation |  |
Total non-cash stock-based compensation | $ (10,800) | $ 0

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