Components Of Other Income, Net (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Other Income (Expense), Net [Abstract]
Interest income (expense), net	$ (650)	$ 521	$ (855)	$ 1,686
Gain (loss) on assets related to deferred compensation plan assets	(1,423)	(2,774)	4,997	5,845
Foreign currency exchange gain (loss)	(349)	(483)	1,637	1,732
Impairment of long-term investment	(452)		(452)	(999)
Other, net	564	524	2,542	768
Total	$ (2,310)	$ (2,212)	$ 7,869	$ 9,032