Other Income (Expense), Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2012	Jan. 31, 2011
Other Income (Expense), Net [Abstract]
Interest income	$ 478	$ 614
Gain or (loss) on assets related to deferred compensation plan	2,620	3,238
Foreign currency exchange gain (loss)	25	2,611
Write-down of long-term investments		(908)
Other, net	703	115
Total	$ 3,826	$ 5,670