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Adoption of New Accounting Standards and Recently Issued Accounting Standards - Additional Information (Detail) - USD ($) $ in Thousands	4 Months Ended
	Apr. 18, 2020	Dec. 29, 2019	Dec. 28, 2019
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Retained earnings	$ 205,698		$ 198,905
Accounting Standards Update 2016-13 [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Retained earnings		$ 2,200
Deferred income tax	600
Accounting Standards Update 2016-13 [Member] | Trade Receivable [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Transition adjustment due to adoption of new credit loss standard	1,900
Accounting Standards Update 2016-13 [Member] | Notes Receivable [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Transition adjustment due to adoption of new credit loss standard	$ 300

X

- Definition

Amount of expense (reversal of expense) for expected credit loss on accounts receivable from change in methodology.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 11
-Subparagraph (e)
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- Definition

Amount of deferred income tax expense (benefit) and income tax credits.

+ References

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+ References

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-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
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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.

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No definition available.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

+ References

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