Available-for-sale securities - Summary of Maturities of Available-for-sale Securities (Details) - USD ($) $ in Thousands	Apr. 27, 2025	Jan. 26, 2025
Fair Value
Within 1 year	$ 12,715
After 1 year through 5 years	0
Total available-for-sale securities	12,715	$ 12,715
Amortized Cost
Within 1 year	14,725
After 1 year through 5 years	0
Total available-for-sale securities	$ 14,725	$ 14,725

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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+ Details