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Statement of Comprehensive Loss Statement - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2018 | Jul. 31, 2017 | Jul. 31, 2018 | Jul. 31, 2017
Statement Of Income And Comprehensive Income [Abstract] |  |  |  |
Net loss | $ (15,881) | $ (17,001) | $ (33,238) | $ (43,924)
Foreign currency translation adjustments | (128) | 199 | (41) | 161
Total comprehensive loss | $ (16,009) | $ (16,802) | $ (33,279) | $ (43,763)

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