Summary of Significant Accounting Policies - Schedule of Property, Plant and Equipment (Detail)	12 Months Ended
	Dec. 30, 2017
Building and Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated life	5 years
Building and Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated life	40 years
Furniture and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated life	3 years
Furniture and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated life	10 years
Vehicles [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated life	5 years
Vehicles [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated life	10 years
Computer Software [Member]
Property, Plant and Equipment [Line Items]
Estimated life	3 years