Other Income (Expense), net - Components of Other Income (Expense), Net (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016
Other Income (Expense)
Interest income	$ 2,015	$ 1,031	$ 4,747	$ 2,499
Interest expense	(2,320)	(1,208)	(5,487)	(2,729)
Gain (loss) on assets related to executive deferred compensation plan assets	6,791	6,822	22,334	6,136
Foreign currency exchange gain (loss)	278	(94)	2,877	(296)
Other, net	657	1,958	2,851	6,548
Total	$ 7,421	$ 8,509	$ 27,322	$ 12,158