Stock-Based Compensation - Summary of Allocation of Stock-Based Compensation Expense in Condensed Consolidated Statements of Earnings (Detail) - USD ($) $ in Thousands	4 Months Ended
Apr. 18, 2020	Apr. 20, 2019
Employee Service Share Based Compensation Aggregate Disclosures [Abstract]
Restricted stock	$ 2,342	$ 5,383
Income tax expense (benefit)	224	(866)
Stock-based compensation expense, net of tax	$ 2,566	$ 4,517

Amount, after tax, of expense for award under share-based payment arrangement.

No definition available.

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- References

No definition available.

+ Details

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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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- Definition

Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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