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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands	4 Months Ended
	Apr. 21, 2019	Apr. 22, 2018
Loss Contingencies [Line Items]
Litigation contingencies	$ 0	$ 4,000
Compensation-related Claims
Loss Contingencies [Line Items]
Litigation contingencies		$ 4,000

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

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