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Liabilities and Restructuring Charges - Additional Information (Detail) (USD $)	3 Months Ended
	Jan. 31, 2015	Jan. 31, 2014
Restructuring Charges [Abstract]
Restructuring charges	$ 15,336,000us-gaap_RestructuringCharges	$ 0us-gaap_RestructuringCharges
Voluntary Retirement Program and Headcount Reduction Program [Member]
Restructuring Charges [Abstract]
Restructuring charges	15,300,000
Restructuring charges paid during period	12,600,000
Payroll and related benefits	$ 2,700,000

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References+ Details