Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Trade accounts receivable, allowance	$ 11,125	$ 13,485
Property, plant and equipment, accumulated depreciation	107,771	97,819
Other intangible assets, accumulated amortization	$ 100,180	$ 78,669
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	54,393,907	53,333,071
Common stock, shares outstanding	54,393,907	53,333,071