Other Income (Expense), net - Components of Other Income (Expense), Net (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Other Nonoperating Income (Expense)
Interest income	$ 540	$ 294	$ 2,240	$ 975
Interest expense	(599)	(715)	(2,057)	(1,654)
Gain (loss) on assets related to executive deferred compensation plan	1,815	3,069	7,091	7,529
Foreign currency exchange gain (loss)	1,111	80	5,317	865
Other, net	844	816	4,193	11,082
Total	$ 3,711	$ 3,544	$ 16,784	$ 18,797