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Description of Business and Significant Accounting Policies - Schedule of Property, Plant And Equipment, Useful Lives (Details)
12 Months Ended
Sep. 29, 2018
Buildings and improvements | Minimum  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 5 years
Buildings and improvements | Maximum  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 39 years
Machinery and equipment | Minimum  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 3 years
Machinery and equipment | Maximum  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 7 years
Computer hardware and software | Minimum  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 3 years
Computer hardware and software | Maximum  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 10 years