XML 36 R25.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Summary of Significant Accounting Policies - Fair value of financial instruments (Details) - USD ($)
$ in Thousands
May 04, 2024
Feb. 03, 2024
Apr. 29, 2023
Significant Accounting Policies [Line Items]      
Amortized Cost     $ 88,241
Gross Unrealized Gains     0
Gross Unrealized Losses     35
Fair Market Value     88,206
Fair Value, Inputs, Level 1      
Significant Accounting Policies [Line Items]      
Cash equivalents $ 77,300 $ 154,900 322,000
Short-term:      
Significant Accounting Policies [Line Items]      
Amortized Cost 273,341 280,339  
Gross Unrealized Gains 0 0  
Gross Unrealized Losses 316 154  
Fair Market Value 273,025 280,185  
Corporate bonds | Fair Value, Inputs, Level 2      
Significant Accounting Policies [Line Items]      
Amortized Cost 273,066 280,067 88,241
Gross Unrealized Gains 0 0 0
Gross Unrealized Losses 316 154 35
Fair Market Value 272,750 279,913 $ 88,206
Municipal bonds | Fair Value, Inputs, Level 2      
Significant Accounting Policies [Line Items]      
Amortized Cost 275 272  
Gross Unrealized Gains 0 0  
Gross Unrealized Losses 0 0  
Fair Market Value $ 275 272  
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