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Note 13 - Taxes on Income (Details) - Deferred Tax Assets and Liabilities - USD ($) $ in Thousands | Jan. 03, 2016 | Dec. 28, 2014
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Deferred Tax Assets and Liabilities [Abstract] |  |
Deferred income taxes (current asset) | $ 8,726 | $ 9,732
Deferred tax asset (non-current asset) | 20,110 | 33,138
Deferred income taxes (non-current liabilities) | (10,505) | (11,002)
| $ 18,331 | $ 31,868

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