v3.26.1
Fair Value Measurements - Carrying Amounts and Fair Values of Certain Assets (Detail) - USD ($)
$ in Thousands
Mar. 22, 2026
Dec. 28, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents, carrying amount $ 138,976 $ 54,306
Restricted cash equivalents, carrying amount 114,793 146,517
Investments in marketable securities, carrying amount 25,890 24,971
Advertising fund cash equivalents, restricted, carrying amount 61,749 65,604
Investment in DPC Dash 30,080 36,070
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents, carrying amount 138,976 54,306
Restricted cash equivalents, carrying amount 114,793 146,517
Investments in marketable securities, carrying amount 25,890 24,971
Advertising fund cash equivalents, restricted, carrying amount 61,749 65,604
Investment in DPC Dash $ 30,080 $ 36,070