Interest Income Primarily Related to IDPs Notes Receivable (Detail) - USD ($) $ in Thousands	3 Months Ended	4 Months Ended
Oct. 03, 2020	Apr. 23, 2022	Apr. 24, 2021
Fair Value Disclosures [Abstract]
Interest Income	$ 7,480	$ 6,757	$ 7,480

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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 210.5-03.7(b))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration