Income Taxes (Details 4) (USD $) In Thousands	12 Months Ended
Oct. 29, 2011	Oct. 30, 2010	Oct. 31, 2009
Changes in the total amounts of unrealized tax benefits
Unrealized tax benefits	$ 18,447	$ 18,161	$ 13,750
Additions for tax positions		286	4,411
Additions for tax positions	9,265
Reductions for tax positions related to prior years	(17,677)
Settlements with taxing authorities	(370)
Unrealized tax benefits	$ 9,665	$ 18,447	$ 18,161

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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