Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 25, 2013
Reconciliation of Unrecognized Tax Benefits [Line Items]
Unrecognized tax benefits as of October 26, 2012	$ 14,979
Gross increases due to prior-period adjustments	538
Gross (decrease) due to prior-period adjustments	(1,287)
Gross increases due to current-period adjustment	4,260
Gross (decrease) due to current-period adjustment	0
Gross (decrease) due to settlements with taxing authorities	(888)
Gross (decrease) due to a lapse with taxing authorities	(5,594)
Total change in unrecognized gross benefit	(2,971)
Unrecognized tax benefits as of October 25, 2013	12,008
Unrecognized tax benefits that, if recognized, would impact the effective tax rate	12,008
Statement of operations:
Total amount of interest income (expense) included in income tax expense	1,154
Recognized in the statement of financial position:
Total amount of accrued interest included in income taxes payable	$ 876

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of interest expense accrued for an underpayment of income taxes.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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