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Income Taxes Income before income taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Income before income taxes [Abstract]
United States	$ 14,144	$ 22,870	$ 21,080
Outside the United States	1,165	1,587	791
Earnings from continuing operations before income tax expense	$ 15,309	$ 24,457	$ 21,871

Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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