Unaudited Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 60,035	$ 65,189
Other comprehensive income (loss):
Change in foreign currency translation adjustment	(14,455)	(23,453)
Changes in unrealized gains (losses) on available-for-sale securities, net of tax of $0 for periods presented	(47)	17
Cash flow hedges:
Deferred gains (losses), net of tax of $3,652 and $4,845, respectively	(12,634)	(12,775)
Reclassification adjustment on deferred (gains) losses included in net income, net of tax of $(1,381) and $(390), respectively	3,716	1,055
Other comprehensive income (loss), net of tax effects	(23,420)	(35,156)
Comprehensive income	$ 36,615	$ 30,033