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Note 14 - Restructuring Charges (Details Textual) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 30, 2018 USD ($) | Apr. 02, 2017 USD ($) | Jan. 01, 2017 USD ($) | Dec. 30, 2018 USD ($) | Dec. 31, 2017 USD ($) | Jan. 01, 2017 USD ($)
Restructuring and Related Cost, Expected Number of Positions Eliminated | 200 |  |  |  |  |
Restructuring Costs and Asset Impairment Charges, Total | $ 20,500 | $ 7,300 |  |  |  |
Severance Costs | 10,800 |  |  |  |  |
Asset Impairment Charges, Total | 8,600 |  |  | $ 8,569 | $ 0 | $ 0
Other Restructuring Costs | 1,100 |  |  |  |  |
Restructuring and Related Cost, Expected Cost, Total | 12,000 |  |  | 12,000 |  |
Expected Cash Payment of Severance Costs | 10,800 |  |  | $ 10,800 |  |
Effect on Future Earnings, Amount | $ 12,000 |  |  |  |  |
Restructuring and Related Cost, Number of Positions Eliminated |  |  | 70 |  |  |
Restructuring Charges, Total |  | $ 7,300 | $ 19,800 |  |  |

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
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