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Available-for-sale securities - Summary Of Investments (Details) - USD ($) $ in Thousands	Oct. 26, 2025	Jan. 26, 2025
Debt Securities, Available-for-sale [Line Items]
Fair Value	$ 9,520	$ 12,715
Amortized Cost	14,725	14,725
Gross Unrealized Loss	(5,205)	(2,010)
Convertible debt
Debt Securities, Available-for-sale [Line Items]
Fair Value	9,520	12,715
Amortized Cost	14,725	14,725
Gross Unrealized Loss	$ (5,205)	$ (2,010)

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