Restructuring Charges - Activity and Liability Balances (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2011 Restructuring Plan 2009 [Member]	Oct. 31, 2010 Restructuring Plan 2009 [Member]	Oct. 31, 2012 Restructuring Plan 2011 [Member]	Oct. 31, 2011 Restructuring Plan 2011 [Member]	Oct. 31, 2011 Workforce [Member] Restructuring Plan 2009 [Member]	Oct. 31, 2010 Workforce [Member] Restructuring Plan 2009 [Member]	Oct. 31, 2012 Workforce [Member] Restructuring Plan 2011 [Member]	Oct. 31, 2011 Workforce [Member] Restructuring Plan 2011 [Member]	Oct. 31, 2011 Facility & Other [Member] Restructuring Plan 2009 [Member]	Oct. 31, 2010 Facility & Other [Member] Restructuring Plan 2009 [Member]	Oct. 31, 2012 Facility & Other [Member] Restructuring Plan 2011 [Member]	Oct. 31, 2011 Facility & Other [Member] Restructuring Plan 2011 [Member]
Restructuring Reserve Disclosures [Abstract]
Beginning Balance	$ 8,319	$ 13,909	$ 7,308		$ 4,918	$ 9,958	$ 1,076		$ 3,401	$ 3,951	$ 6,232
Charged to expense	1,048	10,015	13,602	8,038	816	8,339	9,721	1,389	232	1,676	3,881	6,649
Cash payments	(7,274)	(15,246)	(8,719)	(730)	(5,757)	(13,020)	(5,462)	(313)	(1,517)	(2,226)	(3,257)	(417)
Adjustments to accrual	(2,118)	(425)				(425)			(2,118)
Foreign currency translation	25	66			23	66			2
Ending Balance		$ 8,319	$ 12,191	$ 7,308		$ 4,918	$ 5,335	$ 1,076		$ 3,401	$ 6,856	$ 6,232