Unaudited Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 104,061	$ 153,514
Other comprehensive income (loss):
Change in foreign currency translation adjustment	6,962	5,383
Cash flow hedges:
Deferred gains (losses), net of tax of $(417) and $(1,591), respectively	1,652	5,467
Reclassification adjustment on deferred (gains) losses included in net income, net of tax of $(97) and $(1,236), respectively	522	4,475
Other comprehensive income (loss), net of tax effects	9,136	15,325
Comprehensive income	$ 113,197	$ 168,839