Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions		Total	Common Stock	Additional Paid-in Capital		Accumulated Other Comprehensive Loss, Net of Taxes	Retained Earnings	Discontinued Operations Additional Paid-in Capital
Balance, beginning of year (in shares) at Oct. 31, 2013			55.5
Balance, beginning of year at Oct. 31, 2013			$ 0.6	$ 261.8		$ (1.7)	$ 656.8
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued under employee stock purchase and share-based compensation plans (in shares)			1.0
Stock issued under employee stock purchase and share-based compensation plans			$ 0.0	16.0
Repurchase of common stock, number of shares		(0.8)	(0.8)
Repurchase of common stock		$ (20.0)	$ 0.0	(20.0)
Share-based compensation expense				16.3	[1]			$ 0.5
Other comprehensive loss						(1.1)
Net income		75.6					75.6
Dividends:
Common stock							(34.6)
Stock issued under share-based compensation plans							(0.9)
Balance, end of year (in shares) at Oct. 31, 2014			55.7
Balance, end of year at Oct. 31, 2014		$ 968.8	$ 0.6	274.1		(2.8)	696.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued under employee stock purchase and share-based compensation plans (in shares)			1.4
Stock issued under employee stock purchase and share-based compensation plans			$ 0.0	18.3
Repurchase of common stock, number of shares		(1.0)	(1.0)
Repurchase of common stock		$ (31.4)	$ 0.0	(31.4)
Share-based compensation expense				14.5	[1]			$ 0.3
Other comprehensive loss						(2.3)
Net income		76.3					76.3
Dividends:
Common stock							(36.0)
Stock issued under share-based compensation plans							(0.7)
Balance, end of year (in shares) at Oct. 31, 2015			56.1
Balance, end of year at Oct. 31, 2015		$ 1,007.5	$ 0.6	275.5		(5.1)	736.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued under employee stock purchase and share-based compensation plans (in shares)			0.9
Stock issued under employee stock purchase and share-based compensation plans			$ 0.0	5.7
Repurchase of common stock, number of shares		(1.4)	(1.4)
Repurchase of common stock		$ (46.6)	$ 0.0	(46.6)
Share-based compensation expense	[1]			14.0
Other comprehensive loss						(26.5)
Net income		57.2					57.2
Dividends:
Common stock							(36.9)
Stock issued under share-based compensation plans							(0.4)
Balance, end of year (in shares) at Oct. 31, 2016			55.6
Balance, end of year at Oct. 31, 2016		$ 974.0	$ 0.6	$ 248.6		$ (31.6)	$ 756.4

[1] Includes share-based compensation expenses related to discontinued operations of $0.3 million and $0.5 million for 2015 and 2014, respectively.