Statement of Comprehensive Loss Statement - USD ($) $ in Thousands	12 Months Ended
Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (77,568)	$ (47,334)	$ (53,903)
Foreign currency translation adjustments	(244)	12	129
Comprehensive loss	$ (77,812)	$ (47,322)	$ (53,774)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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