Restructuring Charges and Asset Impairment - Schedule of Restructuring Activity and Asset Impairment (Parenthetical) (Detail) $ in Millions	6 Months Ended
Jul. 11, 2020 USD ($)
Food Distribution Segment [Member]
Restructuring Cost And Reserve [Line Items]
Impairments partially offset by recoveries	$ 0.3
Fresh Cut Business and Fresh Kitchen Facility [Member]
Restructuring Cost And Reserve [Line Items]
Business exit costs	$ 9.9

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration