v3.26.1
Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Detail) - USD ($)
$ in Thousands
Aug. 01, 2026
Jan. 31, 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities $ 46,977 $ 32,764
Other long-term assets 11,643 12,390
Other long-term assets 627,390 644,171
Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total 8,927 14,056
Level 1 [Member] | Money Market Funds [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 2,803 7,803
Other long-term assets 6,124 6,253
Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total 46,977 59,211
Level 2 [Member] | U.S. Treasury and Government Agency Securities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents   8,867
Marketable securities 18,433 10,551
Level 2 [Member] | Corporate Debt Securities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents   17,580
Marketable securities 9,644 1,989
Level 2 [Member] | Certificates of Deposit [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Marketable securities $ 18,900 $ 20,224