Other Income (Expense), net - Components of Other Income (Expense), Net (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Other Income (Expense)
Interest income	$ 1,499	$ 889	$ 2,733	$ 1,469
Interest expense	(1,860)	(848)	(3,168)	(1,521)
Gain (loss) on assets related to executive deferred compensation plan assets	7,763	8,707	15,543	(687)
Foreign currency exchange gain (loss)	(623)	(783)	2,599	(202)
Other, net	1,635	2,452	2,194	4,590
Total	$ 8,414	$ 10,417	$ 19,901	$ 3,649