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Business and Summary of Significant Accounting Policies Property and Equipment - Estimated Useful Lives of Property and Equipment (Details)
12 Months Ended
Dec. 29, 2018
Leasehold Improvements | Minimum  
Property and equipment [Line Items]  
Property, Plant and Equipment, Useful Life 5 years
Leasehold Improvements | Maximum  
Property and equipment [Line Items]  
Property, Plant and Equipment, Useful Life 15 years
Furniture and Fixtures | Minimum  
Property and equipment [Line Items]  
Property, Plant and Equipment, Useful Life 3 years
Furniture and Fixtures | Maximum  
Property and equipment [Line Items]  
Property, Plant and Equipment, Useful Life 15 years
Production Machinery | Minimum  
Property and equipment [Line Items]  
Property, Plant and Equipment, Useful Life 3 years
Production Machinery | Maximum  
Property and equipment [Line Items]  
Property, Plant and Equipment, Useful Life 7 years
Computer Equipment and Software | Minimum  
Property and equipment [Line Items]  
Property, Plant and Equipment, Useful Life 3 years
Computer Equipment and Software | Maximum  
Property and equipment [Line Items]  
Property, Plant and Equipment, Useful Life 12 years