Summary of Significant Accounting Policies - Fair value of financial instruments (Details) - USD ($) $ in Thousands	Aug. 03, 2024	Feb. 03, 2024	Jul. 29, 2023
Significant Accounting Policies [Line Items]
Amortized Cost			$ 101,813
Gross Unrealized Gains			0
Gross Unrealized Losses			18
Fair Market Value			101,795
Fair Value, Inputs, Level 1
Significant Accounting Policies [Line Items]
Cash equivalents	$ 187,200	$ 154,900	297,600
Short-term:
Significant Accounting Policies [Line Items]
Amortized Cost	118,680	280,339
Gross Unrealized Gains	0	0
Gross Unrealized Losses	52	154
Fair Market Value	118,628	280,185
Corporate bonds \| Fair Value, Inputs, Level 2
Significant Accounting Policies [Line Items]
Amortized Cost	118,680	280,067	101,813
Gross Unrealized Gains	0	0	0
Gross Unrealized Losses	52	154	18
Fair Market Value	$ 118,628	279,913	$ 101,795
Municipal bonds \| Fair Value, Inputs, Level 2
Significant Accounting Policies [Line Items]
Amortized Cost		272
Gross Unrealized Gains		0
Gross Unrealized Losses		0
Fair Market Value		272
Long-term:
Significant Accounting Policies [Line Items]
Amortized Cost		7,791
Gross Unrealized Gains		0
Gross Unrealized Losses		8
Fair Market Value		7,783
Corporate bonds \| Fair Value, Inputs, Level 2
Significant Accounting Policies [Line Items]
Amortized Cost		7,791
Gross Unrealized Gains		0
Gross Unrealized Losses		8
Fair Market Value		$ 7,783

Cash Equivalents

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Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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