Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 532,367	$ 432,518	$ 136,563
Other comprehensive income (loss):
Change in foreign currency translation adjustment	1,360	(18,882)	14,293
Change in unrealized gains (losses) on investments, net of tax of $0, for fiscal year 2017	0	0	(19)
Cash flow hedges:
Deferred gains (losses), net of tax of $(2,009), $4,675, and $(4,380) for fiscal years 2019, 2018 and 2017, respectively	4,733	(17,428)	20,760
Reclassification adjustment on deferred (gains) losses included in net income, net of tax of $(3,672), $2,207, and $(168) for fiscal years 2019, 2018 and 2017, respectively	14,637	(10,888)	3,564
Other comprehensive income (loss), net of tax effects	20,730	(47,198)	38,598
Comprehensive income	$ 553,097	$ 385,320	$ 175,161