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Note 13 - Taxes on Income - Net Deferred Tax Asset (Details) - USD ($) $ in Thousands | Jan. 01, 2017 | Jan. 03, 2016
--- | --- | ---
Basis differences of property and equipment, assets | $ 0 | $ 0
Basis differences of property and equipment, liabilities | 14,419 | 16,254
Basis difference of intangible assets, assets | 978 | 0
Basis difference of intangible assets, liabilities | 0 | 368
Foreign currency, assets | 0 | 0
Foreign currency, liabilities | 3,216 | 5,375
Net operating loss carryforwards, assets | 3,627 | 5,575
Net operating loss carryforwards, liabilities | 0 | 0
Valuation allowances on net operating loss carryforwards, assets | (2,500) | (4,457)
Valuation allowances on net operating loss carryforwards, liabilities | 0 | 0
Federal tax credits, assets | 5,711 | 4,580
Federal tax credits, liabilities | 0 | 0
Deferred compensation, assets | 26,546 | 26,352
Deferred compensation, liabilities | 0 | 0
Basis difference of inventory, assets | 4,009 | 2,390
Basis difference of inventory, liabilities | 0 | 0
Basis difference of prepaids, accruals and reserves, assets | 6,273 | 6,556
Basis difference of prepaids, accruals and reserves, liabilities | 0 | 0
Pensions, assets | 3,435 | 1,075
Pensions, liabilities | 0 | 0
Undistributed earnings from foreign subsidiaries not deemed to be indefinitely reinvested, assets | 0 | 0
Undistributed earnings from foreign subsidiaries not deemed to be indefinitely reinvested, liabilities | 1,704 | 1,226
Basis difference of other assets and liabilities, assets | 0 | 0
Basis difference of other assets and liabilities, liabilities | 351 | 517
Deferred tax assets | 48,079 | 42,071
Deferred tax liabilities | $ 19,690 | $ 23,740

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