Summary of Significant Accounting Policies - Estimated Useful Lives of Assets (Details) |
12 Months Ended |
|---|---|
Jan. 03, 2021 | |
| Minimum | Building and building equipment | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives of the assets | 20 years |
| Minimum | Land And Leasehold Improvements | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives of the assets | 10 years |
| Minimum | Machinery and Equipment | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives of the assets | 2 years |
| Maximum | Building and building equipment | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives of the assets | 30 years |
| Maximum | Land And Leasehold Improvements | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives of the assets | 20 years |
| Maximum | Machinery and Equipment | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives of the assets | 13 years |