Employee Benefit Plans - Stock Options and Restricted Stock Units Under all Equity Plans (Except 2005 Director's Plan) (Details) - 2006 Employee Equity Incentive Plan shares in Thousands	12 Months Ended
	Oct. 31, 2025 shares	Oct. 31, 2024 shares	Oct. 31, 2023 shares
Shares
Available for grant, beginning balance (in shares)	14,516	13,286	13,111
Available for Grant, Additional shares reserved (in shares)	1,600	3,400	3,300
Available for grants, ending balance (in shares)	14,114	14,516	13,286
Stock Option
Shares
Available for Grant, Options granted (in shares)	(232)	(238)	(294)
Available for Grant, Options canceled/forfeited/expired (in shares)	41	40	89
Restricted Stock Units (RSUs)
Shares
Available for Grant, Restricted stock units granted (in shares)	(2,176)	(2,754)	(3,540)
Available for Grant, Restricted stock units forfeited (in shares)	365	782	620
Share reserve ratio	1.70