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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