Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Millions, $ 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, 2020		66.7
Balance, beginning of period at Oct. 31, 2020		$ 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)		0.3
Taxes withheld under employee stock purchase and share-based compensation plans, net		$ 0.0	(5.6)
Repurchase of common stock (in shares)		0.0
Repurchase of common stock		$ 0.0	0.0
Share-based compensation expense			8.5
Other comprehensive (loss) income				4.9
Net income	$ 74.6				74.6
Dividends
Common stock ($0.195 and $0.190 per share)					(12.7)
Stock issued under share-based compensation plans					(0.9)
Balance, end of period (in shares) at Jan. 31, 2021		67.1
Balance, end of period at Jan. 31, 2021	1,569.1	$ 0.7	726.9	(25.9)	867.5
Balance, beginning of period (in shares) at Oct. 31, 2021		67.3
Balance, beginning of period 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)		0.4
Taxes withheld under employee stock purchase and share-based compensation plans, net		$ 0.0	(9.0)
Repurchase of common stock (in shares)	(0.3)	(0.3)
Repurchase of common stock	$ (13.3)	$ 0.0	(13.3)
Share-based compensation expense			8.5
Other comprehensive (loss) income				(2.1)
Net income	76.0				76.0
Dividends
Common stock ($0.195 and $0.190 per share)					(13.1)
Stock issued under share-based compensation plans					(1.0)
Balance, end of period (in shares) at Jan. 31, 2022		67.4
Balance, end of period at Jan. 31, 2022	$ 1,655.2	$ 0.7	$ 737.0	$ (24.6)	$ 942.1