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Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended
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Apr. 30, 2019 | Apr. 30, 2018
Costs of subscription services |  |
Share-based compensation expense | $ 10,415 | $ 7,877
Costs of professional services |  |
Share-based compensation expense | 16,150 | 10,792
Product development |  |
Share-based compensation expense | 91,237 | 68,511
Sales and marketing |  |
Share-based compensation expense | 38,854 | 25,612
General and administrative |  |
Share-based compensation expense | $ 28,579 | $ 19,867

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