Stockholders' Equity - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018	Dec. 04, 2018	Dec. 03, 2015
Stock repurchase program
Amount paid to repurchase the shares	$ 2,146	$ 22,705	$ 164,530
Repurchase of shares (in shares)	29,422	403,532	2,777,687
Treasury shares
Treasury shares held (in shares)	20,545,330	21,385,919
Cost of treasury shares	$ 1,323,200	$ 1,374,000
Stock repurchase program
Stock repurchase program
Number of shares authorized to be repurchased (in shares)					8,000,000
Amount paid to repurchase the shares		$ 20,000	$ 160,400
Repurchase of shares (in shares)	0	359,758	2,579,864
Number of shares remained authorized for repurchase (in shares)	7,042,256
December 2018 Stock Repurchase Program
Stock repurchase program
Number of shares authorized to be repurchased (in shares)				5,000,000