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Income Taxes (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of the year	$ 873	$ 677	$ 739
Increases related to current year tax positions
Additions for tax positions in prior years		196
Reductions for tax positions in prior years			(62)
Reductions due to lapse of applicable statute of limitations	(47)
Settlements
Balance at end of the year	$ 826	$ 873	$ 677

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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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