Schedule of Total Impairments and Line Item Recorded in Our Consolidated Statements of Income (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 29, 2018	Dec. 30, 2017
Impairment of assets line item
Impairment of assets		$ 200
Restructuring and related impairment charges line item
Restructuring and related impairment charges	[1]	9,767	$ 104,130
Property, Plant and Equipment
Impairment of assets line item
Impairment of assets		3,516
Restructuring and related impairment charges line item
Restructuring and related impairment charges		3,817
Property, Plant and Equipment | Plant Closings
Restructuring and related impairment charges line item
Restructuring and related impairment charges		3,156
Property, Plant and Equipment | Line Closings
Restructuring and related impairment charges line item
Restructuring and related impairment charges		661
Property, Plant and Equipment | DSD Segment
Restructuring and related impairment charges line item
Restructuring and related impairment charges		2,952
Property, Plant and Equipment | DSD Segment | Plant Closings
Restructuring and related impairment charges line item
Restructuring and related impairment charges		2,952
Property, Plant and Equipment | Warehouse Segment
Restructuring and related impairment charges line item
Restructuring and related impairment charges		865
Property, Plant and Equipment | Warehouse Segment | Plant Closings
Restructuring and related impairment charges line item
Restructuring and related impairment charges		204
Property, Plant and Equipment | Warehouse Segment | Line Closings
Restructuring and related impairment charges line item
Restructuring and related impairment charges		661
Property, Plant and Equipment | Unallocated Corporate Costs
Impairment of assets line item
Impairment of assets		$ 3,516

[1] Presented on our Consolidated Statements of Income.