Fair Value of Financial Instruments - Valuation of Financial Instruments (Details) - USD ($) $ in Thousands	Oct. 04, 2025	Dec. 28, 2024
Fair Value of Financial Instruments
Cash equivalents	$ 234,875	$ 188,057
Short-term investments	97,622	100,554
Total	332,497	288,611
Corporate debt securities
Fair Value of Financial Instruments
Short-term investments	61	13,514
Government debt securities
Fair Value of Financial Instruments
Short-term investments	97,561	87,040
Money market funds
Fair Value of Financial Instruments
Cash equivalents	234,875	188,057
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value of Financial Instruments
Cash equivalents	234,875	188,057
Short-term investments	0	0
Total	234,875	188,057
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate debt securities
Fair Value of Financial Instruments
Short-term investments	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Government debt securities
Fair Value of Financial Instruments
Short-term investments	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Money market funds
Fair Value of Financial Instruments
Cash equivalents	234,875	188,057
Significant Other Observable Inputs (Level 2)
Fair Value of Financial Instruments
Cash equivalents	0	0
Short-term investments	97,622	100,554
Total	97,622	100,554
Significant Other Observable Inputs (Level 2) | Corporate debt securities
Fair Value of Financial Instruments
Short-term investments	61	13,514
Significant Other Observable Inputs (Level 2) | Government debt securities
Fair Value of Financial Instruments
Short-term investments	97,561	87,040
Significant Other Observable Inputs (Level 2) | Money market funds
Fair Value of Financial Instruments
Cash equivalents	$ 0	$ 0