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, 2022		65,600,000
Balance, beginning of period at Oct. 31, 2022		$ 0.7	$ 675.5	$ (16.2)	$ 1,057.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans, net (in shares)		500,000
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans, net (in shares)		$ 0.0	(11.7)
Share-based compensation expense			6.9
Other comprehensive income (loss)				1.1
Net income	$ 38.5				38.5
Dividends
Common stock ($0.225 and $0.220 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
Balance, beginning of period (in shares) at Oct. 31, 2023	62,847,387	62,800,000
Balance, beginning of period at Oct. 31, 2023	$ 1,799.9	$ 0.6	558.9	(9.2)	1,249.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans, net (in shares)		400,000
Stock issued (taxes withheld) under employee stock purchase and share-based compensation plans, net (in shares)		$ 0.0	(8.7)
Share-based compensation expense			8.2
Other comprehensive income (loss)				(6.4)
Net income	$ 44.7				44.7
Dividends
Common stock ($0.225 and $0.220 per share)					(14.1)
Stock issued under share-based compensation plans					(0.8)
Balance, end of period (in shares) at Jan. 31, 2024	63,282,989	63,300,000
Balance, end of period at Jan. 31, 2024	$ 1,822.7	$ 0.6	$ 558.5	$ (15.7)	$ 1,279.3