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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020	Dec. 26, 2020
Income Taxes [Line Items]
Unrecognized income tax benefits	$ 800		$ 800		$ 800
Accrued interest and penalties	200		200		$ 200
Tax benefit of improvements to employee share-based payment	426	$ 2,335	9,040	$ 4,339
Increase decrease in tax benefit during period from share based compensation arrangement	(1,900)		4,700
ASU 2016-09
Income Taxes [Line Items]
Tax benefit of improvements to employee share-based payment	$ 400	$ 2,300	$ 9,000	$ 4,300
Effective Income Tax Rate Reconciliation, Percent, Total	26.60%	26.40%	26.10%	25.80%
State and Local Jurisdiction
Income Taxes [Line Items]
Income tax return examination			The Internal Revenue Service completed an examination of the 2015 consolidated corporate income tax return and issued a no change report in 2018. The Company’s state income tax returns remain subject to examination for three or four years depending on the state’s statute of limitations.
State and Local Jurisdiction | Minimum
Income Taxes [Line Items]
Income tax return examination period			3 years
State and Local Jurisdiction | Maximum
Income Taxes [Line Items]
Income tax return examination period			4 years

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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