Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Thousands	Jan. 28, 2023	Jan. 29, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	$ 91,986	$ 177,260
Long-term other assets	12,525	11,808
Total	120,781	177,260
Corporate Debt Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	28,795
Marketable securities	57,984	123,196
U.S. Treasury and Government Agency Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	18,082	28,432
State and Local Government Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable securities	15,920	25,632
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	29,071	24,719
Level 1 [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	22,121	17,890
Long-term other assets	$ 6,950	$ 6,829