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Provision for Taxes (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Income Tax Contingency [Line Items]      
Income tax at statutory rate $ 5,840 $ (188) $ 2,338
Increase (decrease) in income tax resulting from      
State tax expense, net of federal effect 764 509 394
Federal true-ups (18) (113) 113
Federal tax credits (256) (247) (159)
Effect of foreign tax rates (362) (94) (370)
Valuation allowances (state and foreign) 1,400 39 448
Goodwill impairment (worldwide) 0 4,684 0
Captive insurance earnings (390) (379) (301)
Incentive stock options 130 152 115
Uncertain tax positions 0 0 (174)
Other (225) 29 30
Recorded provision for income taxes $ 6,883 $ 4,392 $ 2,434