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Significant Accounting Policies (Tables)
12 Months Ended
Dec. 28, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule Of Useful Life for Property Plant and Equipment [Table Text Block]
 
Buildings20 - 40 years
Machinery and equipment5 - 20 years
Enterprise software3 - 5 years
Office furniture and equipment3 - 7 years
Vehicles3 - 7 years
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Customer relationships10 - 25 years
Patents and trademarks15 years
Other5 - 15 years