Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 29, 2018
Machinery and equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	4 years
Machinery and equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	12 years
Office furniture and equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Office furniture and equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years
Building and land improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	7 years
Building and land improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	40 years
Buildings [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	25 years
Buildings [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	40 years