CONSOLIDATED BALANCE SHEET (Parenthetical) (Unaudited) - USD ($) $ in Thousands	Jul. 31, 2015	Oct. 31, 2014
Statement Of Financial Position [Abstract]
Accounts receivable, allowances	$ 10,397	$ 10,023
Debt issuance costs, accumulated amortization	$ 2,789	$ 5,743
Common stock, par value	$ 0.20	$ 0.20
Common stock, shares authorized	60,000,000	60,000,000
Common stock, shares issued	32,365,349	32,123,717
Treasury stock, shares repurchased	2,831,350	269,228