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Fair Value Measurements - Cash and Cash Equivalents (Detail) - USD ($) $ in Thousands | Jun. 28, 2024 | Dec. 29, 2023
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Cash |  |
Fair Value Measurements [Line Items] |  |
Amortized Cost | $ 147,131 | $ 132,464
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 147,131 | 132,464
Money market securities |  |
Fair Value Measurements [Line Items] |  |
Amortized Cost | 56,131 | 54,686
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 56,131 | 54,686
Total cash equivalents |  |
Fair Value Measurements [Line Items] |  |
Amortized Cost | 56,131 | 54,686
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | 56,131 | 54,686
Total cash and cash equivalents |  |
Fair Value Measurements [Line Items] |  |
Amortized Cost | 203,262 | 187,150
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Estimated Fair Value | $ 203,262 | $ 187,150

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