Summary of Significant Accounting Policies - Estimated Useful Lives of Assets (Details)	12 Months Ended
	Jan. 01, 2017
Minimum | Building and building equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets	20 years
Minimum | Land And Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets	10 years
Minimum | Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets	2 years
Maximum | Building and building equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets	30 years
Maximum | Land And Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets	20 years
Maximum | Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets	13 years