Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefit, beginning balance	$ 28,800	$ 25,224	$ 18,296
Additions based on tax positions related to the current year	3,072	3,679	1,677
Additions based on tax positions from prior years	702	0	5,332
Reductions for tax positions of prior years	0	(5)	(7)
Reductions due to lapse of the applicable statute of limitations	(77)	(98)	(74)
Unrecognized tax benefit, ending balance	32,497	28,800	25,224
Interest and penalties recognized as a component of Provision (benefit) for income taxes	50	59	71
Interest and penalties accrued at period end	204	$ 212	$ 230
Tax-effected unrecognized tax benefits	$ 15,800

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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-Name Accounting Standards Codification
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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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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Amount of expense 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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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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