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Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 02, 2013
Income Tax Contingency [Line Items]
Unrecognized tax benefits that would impact the effective tax rate if recognized	$ 1,597
Accrued for the payment of interest and panalties	409
Income Tax Reconciliation, Tax Credits, Research	$ 780

This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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