Condensed Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Net income	$ 69,922	$ 56,694
Other comprehensive income (loss):
Change in foreign currency translation adjustment	(6,842)	(2,047)
Cash flow hedges:
Deferred gain (loss), net of tax of $344 and $929, respectively	5,825	(4,706)
Reclassification adjustment (gain) loss included in net income, net of tax of $(56) and $(988), respectively	279	3,453
Change in unrealized gain (loss) on investments, net of tax of $0 and $(59), respectively		90
Other comprehensive income (loss), net of tax effects	(738)	(3,210)
Comprehensive income	$ 69,184	$ 53,484