CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss, Net of Taxes	Retained Earnings
Balance, beginning of year (in shares) at Oct. 31, 2019		66,600,000
Balance, beginning of year at Oct. 31, 2019		$ 0.7	$ 708.9	$ (23.9)	$ 856.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued under employee stock purchase and share-based compensation plans (in shares)		300,000
Taxes withheld under employee stock purchase and share-based compensation plans, net		$ 0.0	0.0
Repurchase of common stock (in shares)		(200,000)
Repurchase of common stock		$ 0.0	(5.1)
Share-based compensation expense			20.3
Other comprehensive income (loss)				(6.9)
Net income	$ 0.3				0.3
Dividends
Common stock ($0.78, $0.76, and $0.74 per share)					(49.3)
Stock issued under share-based compensation plans					(0.9)
Balance, end of year (in shares) at Oct. 31, 2020		66,700,000
Balance, end of year at Oct. 31, 2020	$ 1,500.3	$ 0.7	724.1	(30.8)	806.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued under employee stock purchase and share-based compensation plans (in shares)		600,000
Taxes withheld under employee stock purchase and share-based compensation plans, net		$ 0.0	(6.7)
Repurchase of common stock (in shares)	0	0
Repurchase of common stock	$ 0.0	$ 0.0	0.0
Share-based compensation expense			33.5
Other comprehensive income (loss)				8.2
Net income	126.3				126.3
Dividends
Common stock ($0.78, $0.76, and $0.74 per share)					(51.0)
Stock issued under share-based compensation plans					(1.5)
Balance, end of year (in shares) at Oct. 31, 2021		67,300,000
Balance, end of year at Oct. 31, 2021	$ 1,609.2	$ 0.7	750.9	(22.5)	880.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued under employee stock purchase and share-based compensation plans (in shares)		600,000
Taxes withheld under employee stock purchase and share-based compensation plans, net		$ 0.0	(8.4)
Repurchase of common stock (in shares)	(2,300,000)	(2,300,000)
Repurchase of common stock	$ (97.5)	$ 0.0	(97.5)
Share-based compensation expense			30.5
Other comprehensive income (loss)				6.3
Net income	230.4				230.4
Dividends
Common stock ($0.78, $0.76, and $0.74 per share)					(51.9)
Stock issued under share-based compensation plans					(1.5)
Balance, end of year (in shares) at Oct. 31, 2022		65,500,000
Balance, end of year at Oct. 31, 2022	$ 1,717.2	$ 0.7	$ 675.5	$ (16.2)	$ 1,057.2