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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
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