Restructuring Charges - Activity and Liability Balances (Detail) (Restructuring Plan Two Thousand Thirteen And Two Thousand Eleven [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 12,191	$ 7,308
Charged to expense	28,509	13,602	8,038
Cash payments	(21,010)	(8,719)	(730)
Adjustments	(592)
Ending Balance	19,098	12,191	7,308
Workforce [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	5,335	1,076
Charged to expense	22,671	9,721	1,389
Cash payments	(15,847)	(5,462)	(313)
Adjustments
Ending Balance	12,159	5,335	1,076
Facility & Other [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	6,856	6,232
Charged to expense	5,838	3,881	6,649
Cash payments	(5,163)	(3,257)	(417)
Adjustments	(592)
Ending Balance	$ 6,939	$ 6,856	$ 6,232