Restructuring Charges - Additional Information (Detail) $ in Millions	9 Months Ended
Jul. 31, 2014 USD ($)
Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Additional reserves and expenses	$ 2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration