Components of Costs Associated with Project Centennial (Detail) - USD ($) $ in Thousands		4 Months Ended
		Apr. 18, 2020	Apr. 20, 2019
Restructuring and related impairment charges:
Project Centennial implementation costs	[1]	$ 3,392
Total Project Centennial restructuring and implementation costs		$ 3,392
Total Project Centennial restructuring costs	[2]		$ 718
Reorganization Costs
Restructuring and related impairment charges:
Restructuring and related impairment charges	[2]		211
Impairment of Assets
Restructuring and related impairment charges:
Restructuring and related impairment charges	[2]		530
Employee Termination Benefits
Restructuring and related impairment charges:
Restructuring and related impairment charges	[2]		$ (23)

[1] Costs are recorded in the selling, distribution and administrative expenses line item of our Condensed Consolidated Statements of Income (Loss).

[2] Presented on our Condensed Consolidated Statements of Income (Loss)