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Marketable Securities - Investments in Marketable Securities (Details) - USD ($) $ in Thousands	Apr. 29, 2023	Jan. 28, 2023	Apr. 30, 2022
Financial Instruments And Marketable Securities [Line Items]
Cost or Amortized Cost	$ 49,310	$ 39,573	$ 50,997
Gross Unrealized Holding Gains	385	180	19
Gross Unrealized Holding Losses	0	0	(19)
Estimated Fair Value	49,695	39,753	50,997
Commercial paper
Financial Instruments And Marketable Securities [Line Items]
Cost or Amortized Cost	39,266	29,570	39,921
Gross Unrealized Holding Gains	385	180	19
Gross Unrealized Holding Losses	0	0	(19)
Estimated Fair Value	39,651	29,750	39,921
Fixed income securities
Financial Instruments And Marketable Securities [Line Items]
Cost or Amortized Cost	10,044	10,003	11,076
Gross Unrealized Holding Gains	0	0	0
Gross Unrealized Holding Losses	0	0	0
Estimated Fair Value	$ 10,044	$ 10,003	$ 11,076

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on 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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Amortized cost 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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