XML 100 R54.htm IDEA: XBRL DOCUMENT v3.20.1
Summary of Significant Accounting Policies (Goodwill) (Details) - Goodwill [Member]
12 Months Ended
Dec. 28, 2019
Impairment Testing, Goodwill and Intangible Assets [Line Items]  
Cash flow model, forecast period 10 years
Valuation, Income Approach [Member]  
Impairment Testing, Goodwill and Intangible Assets [Line Items]  
Fair value, intangible assets, percent calculated using income approach 75.00%