Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

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Fixed interest rate related to the interest rate derivative.

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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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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Nominal or face amount used to calculate payment on derivative.

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Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

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Derivatives and Hedging - Narrative (Detail) - USD ($)	12 Months Ended
Derivatives and Hedging - Narrative (Detail) - USD ($)	Dec. 25, 2021	Dec. 26, 2020	Jan. 08, 2018
Foreign exchange forward contracts
Derivative [Line Items]
Notional amount	$ 4,464,000	$ 9,652,000
Gain (loss) on derivative	$ 331,000	557,000
2018 Swap 1
Derivative [Line Items]
Notional amount			$ 90,000,000
Fixed interest rate			2.30%
Applicable interest rate margin			4.00%
Effective rate			6.30%
2018 Swap 2
Derivative [Line Items]
Notional amount			$ 60,000,000
Fixed interest rate			3.10%
Applicable interest rate margin			4.00%
Effective rate			7.10%
Interest Rate Swap Agreement - 2021 Swap 1
Derivative [Line Items]
Notional amount			$ 144,000
Fixed interest rate	0.75%
Interest Rate Swap Agreement - 2021 Swap 2
Derivative [Line Items]
Notional amount			216,000
Fixed interest rate	0.76%
Interest Rate Swap Agreement - 2021 Swap 3
Derivative [Line Items]
Notional amount			$ 60,000
Fair Value, Recurring \| Foreign exchange forward contracts
Derivative [Line Items]
Derivative asset	$ 14,000	12,000
Fair Value, Recurring \| Foreign exchange forward contracts
Derivative [Line Items]
Derivative asset	$ 14,000	$ (12,000)