Employee Benefit Plans - Summary of Impact of Deferred Plan (Detail) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Share-based Payment Arrangement [Abstract]
Increase (reduction) to cost of revenue and operating expense	$ 71,603	$ 21,469	$ 27,759
Other income (expense), net	71,603	21,469	27,759
Net increase (decrease) to net income	$ 0	$ 0	$ 0