Fair Value Measurements - Fair Values of Certain Assets (Detail) - USD ($) $ in Thousands	Dec. 28, 2025	Dec. 29, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents, carrying amount	$ 54,306	$ 127,074
Restricted cash equivalents, carrying amount	146,517	140,669
Investments in marketable securities, carrying amount	24,971	20,638
Advertising fund cash equivalents, restricted, carrying amount	65,604	70,350
Investment in DPC Dash	36,070	82,699
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents, carrying amount	54,306	127,074
Restricted cash equivalents, carrying amount	146,517	140,669
Investments in marketable securities, carrying amount	24,971	20,638
Advertising fund cash equivalents, restricted, carrying amount	65,604	70,350
Investment in DPC Dash	$ 36,070	$ 82,699

Advertising fund cash equivalents restricted.

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- Definition

Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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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.

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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- Definition

Amount of investment in marketable security, classified as noncurrent.

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- Definition

Amount of cash and cash equivalent restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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