Other Income (Expense), net - Components of Other Income (Expense), Net (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Other Income (Expense)
Interest income	$ 889	$ 552	$ 1,469	$ 1,700
Interest expense	(848)	(804)	(1,521)	(1,457)
Gain (loss) on assets related to executive deferred compensation plan	8,707	5,973	(687)	5,276
Foreign currency exchange gain (loss)	(783)	511	(202)	4,205
Other, net	2,452	1,725	4,590	3,349
Total	$ 10,417	$ 7,957	$ 3,649	$ 13,073