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Income Taxes Income before income taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Income before income taxes [Abstract]
United States	$ 2,939	$ 14,144	$ 22,870
Outside the United States	1,065	1,165	1,587
Earnings from continuing operations before income tax expense	$ 4,004	$ 15,309	$ 24,457

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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