Summary of Significant Accounting Policies - Fair value of financial instruments (Details) - USD ($) $ in Thousands	Nov. 02, 2024	Feb. 03, 2024	Oct. 28, 2023
Significant Accounting Policies [Line Items]
Amortized Cost			$ 66,845
Gross Unrealized Gains			0
Gross Unrealized Losses			292
Fair Market Value			66,553
Fair Value, Inputs, Level 1
Significant Accounting Policies [Line Items]
Cash equivalents	$ 150,300	$ 154,900	115,100
Short-term:
Significant Accounting Policies [Line Items]
Amortized Cost	46,941	280,339
Gross Unrealized Gains	0	0
Gross Unrealized Losses	2	154
Fair Market Value	46,939	280,185
Corporate bonds \| Fair Value, Inputs, Level 2
Significant Accounting Policies [Line Items]
Amortized Cost	46,941	280,067	66,845
Gross Unrealized Gains	0	0	0
Gross Unrealized Losses	2	154	292
Fair Market Value	$ 46,939	279,913	$ 66,553
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

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- Definition

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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