Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Oct. 31, 2018	Oct. 31, 2017
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 5,613	$ 5,165
Preferred Stock, par value (in USD per share)	$ 0.01	$ 0.01
Preferred Stock, shares authorized (in shares)	2,000,000	2,000,000
Preferred Stock, shares outstanding (in shares)	0	0
Common Stock, par value (in USD per share)	$ 0.01	$ 0.01
Common Stock, shares authorized (in shares)	400,000,000	400,000,000
Common Stock, shares outstanding (in shares)	149,265,000	150,445,000
Treasury stock, shares (in shares)	7,996,000	6,817,000