Restructuring Charges (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Restructuring and Related Cost (Textuals) [Abstract]
Restructuring charges	$ 3,396,000	$ 9,779,000	$ 11,407,000	$ 20,566,000
Restructuring cost management structure , plant closing and prior year acquisitions			2,400,000
Restructuring cost professional fees and administrative costs			6,900,000
Employee separation costs [Member]
Restructuring and Related Cost (Textuals) [Abstract]
Restructuring charges			6,197,000	6,200,000
Other restructuring costs [Member]
Restructuring and Related Cost (Textuals) [Abstract]
Restructuring charges			369,000	11,400,000
Asset impairments [Member]
Restructuring and Related Cost (Textuals) [Abstract]
Restructuring charges			$ 4,841,000	$ 4,800,000