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Note 15 - Employee Benefit Plans - Components of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | Jan. 01, 2017 | Jan. 03, 2016
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Unrecognized actuarial loss | $ 5,626 | $ 4,226

X
- Definition After tax net amount of gain (loss) that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases (decreases) in other comprehensive income as they arise. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant