Components of Other Income (expense), Net (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Apr. 30, 2014		Apr. 30, 2013		Apr. 30, 2014		Apr. 30, 2013
Other Nonoperating Income (Expense)
Interest income	$ 314		$ 928		$ 681		$ 1,263
Interest expense	(582)		(456)		(939)		(921)
Gain (loss) on assets related to executive deferred compensation plan	3,419		4,256		4,460		9,669
Foreign currency exchange gain (loss)	(109)		1,505		785		5,910
Other, net	1,183	[1]	971	[1]	10,266	[1]	2,032	[1]
Total	$ 4,225		$ 7,204		$ 15,253		$ 17,953

[1] Refer to Note 6. Fair Value Measures.