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v3.20.1

STOCKHOLDERS' EQUITY: - Effect of stock-based compensation expense on income, by financial statement line item (Details) - USD ($) $ in Millions | 12 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018
Share-based compensation |  |  |
Total non-cash stock-based compensation | $ 89.4 | $ 102.7 | $ 52.9
Cost of revenue |  |  |
Share-based compensation |  |  |
Total non-cash stock-based compensation | 3.8 | 4.7 | 2.7
Research and development |  |  |
Share-based compensation |  |  |
Total non-cash stock-based compensation | 23.3 | 28.2 | 15.6
Sales and marketing |  |  |
Share-based compensation |  |  |
Total non-cash stock-based compensation | 38.0 | 44.0 | 23.4
General and administrative |  |  |
Share-based compensation |  |  |
Total non-cash stock-based compensation | $ 24.4 | $ 25.8 | $ 11.2

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