Stockholders' Equity - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021	Dec. 13, 2022	Dec. 04, 2018
Stock repurchase program
Payments for repurchase of common stock	$ 60.0	$ 140.0	$ 302.3
Repurchase of shares (in shares)	611,195	1,551,986	3,010,424
Treasury shares
Treasury shares held (in shares)	23,888,294	23,774,518
Cost of treasury shares	$ 1,743.6	$ 1,715.0
December 2018 Stock Repurchase Program
Stock repurchase program
Number of shares authorized to be repurchased (in shares)					5,000,000
Repurchase of shares (in shares)	577,115	1,525,856
Number of shares remained authorized for repurchase (in shares)	1,949,491
December 2022 Stock Repurchase Program
Stock repurchase program
Number of shares authorized to be repurchased (in shares)				5,000,000
Repurchase of shares (in shares)	0