Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jul. 31, 2012	Oct. 31, 2011
Trade accounts receivable, allowances	$ 11,197	$ 13,485
Property, plant and equipment, accumulated depreciation	117,984	97,819
Other intangible assets, accumulated amortization	$ 94,755	$ 78,669
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	54,200,540	53,333,071