Other Income (Expense), Net - Components of Other Income (Expense), Net (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Other Income (Expense)
Interest income	$ 447	$ 879	$ 756	$ 2,357
Interest expense	(807)	(1,846)	(1,545)	(3,449)
Gain (loss) on assets related to deferred compensation plan	21,358	(18,460)	52,224	(5,987)
Foreign currency exchange gain (loss)	2,842	5,039	2,527	5,132
Other, net	(2,076)	(1,341)	(3,442)	(1,725)
Total	$ 21,764	$ (15,729)	$ 50,520	$ (3,672)