CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss, Net of Taxes	Retained Earnings
Balance, beginning of period (in shares) at Oct. 31, 2021		67,300,000
Balance, beginning of period at Oct. 31, 2021		$ 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)		400,000
Taxes withheld under employee stock purchase and share-based compensation plans, net		$ 0.0	(9.0)
Repurchase of common stock (in shares)	(300,000)	(300,000)
Repurchase of common stock	$ (13.3)	$ 0.0	(13.3)
Share-based compensation expense			8.5
Other comprehensive income (loss)				(2.1)
Net income	76.0				76.0
Dividends
Common stock ($0.220 and $0.195 per share)					(13.1)
Stock issued under share-based compensation plans					(1.0)
Balance, end of period (in shares) at Jan. 31, 2022		67,400,000
Balance, end of period at Jan. 31, 2022	1,655.2	$ 0.7	737.0	(24.6)	942.1
Balance, beginning of period (in shares) at Oct. 31, 2022		65,600,000
Balance, beginning of period at Oct. 31, 2022	$ 1,717.2	$ 0.7	675.5	(16.2)	1,057.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued under employee stock purchase and share-based compensation plans (in shares)		500,000
Taxes withheld under employee stock purchase and share-based compensation plans, net		$ 0.0	(11.7)
Repurchase of common stock (in shares)	0	0
Repurchase of common stock	$ 0.0	$ 0.0	0.0
Share-based compensation expense			6.9
Other comprehensive income (loss)				1.1
Net income	38.5				38.5
Dividends
Common stock ($0.220 and $0.195 per share)					(14.4)
Stock issued under share-based compensation plans					(1.0)
Balance, end of period (in shares) at Jan. 31, 2023		66,100,000
Balance, end of period at Jan. 31, 2023	$ 1,736.5	$ 0.7	$ 670.7	$ (15.1)	$ 1,080.3