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Acquisitions (Details Textual) $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2019 USD ($) | Dec. 29, 2018 USD ($) | Dec. 30, 2017 USD ($)
Business Acquisition [Line Items] |  |  |
Cash paid in business combinations and asset acquisitions, net of cash acquired | $ 338 | $ 0 | $ 143,249
Transaction costs associated with acquisitions | $ 2,300 | $ 600 | $ 1,100
2017 Acquisitions [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Number of businesses acquired |  |  | 2
Cash paid in business combinations and asset acquisitions, net of cash acquired |  |  | $ 142,800
Cash acquired |  |  | 4,200
Technology-based intangible assets |  |  | 76,400
Goodwill resulting from acquisitions |  |  | 90,200
Net other identifiable assets and liabilities resulting from acquisitions |  |  | (19,600)
Trust For Benefit Of Children of Chief Executive Officer [Member] | nusemi inc [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Related party ownership percentage in acquired company |  | 3.00% |
In-Process Technology [Member] | 2017 Acquisitions [Member] |  |  |
Business Acquisition [Line Items] |  |  |
In-process technology |  |  | $ 71,500

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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