Product Recall and (Recovery) Loss on Inferior Ingredients - Additional Information (Detail) $ in Thousands	3 Months Ended	12 Months Ended
Oct. 06, 2018 USD ($) State	Dec. 28, 2019 USD ($)	Dec. 29, 2018 USD ($)
Product Recall And Recovery Loss On Inferior Ingredients [Abstract]
Products recalled distributed to retail customers, number of states \| State	18
Product recall costs		$ 800
Cash recovered from suppliers on disruption	$ 4,200	$ 1,822	$ 4,156

Reflects the amount charged against earnings comprised of the costs to announce and effect a recall of defective merchandise.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

Name:	us-gaap_InventoryRecallExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration