Fair Value Measurements - Financial Assets Valued on a Recurring Basis (Details) - USD ($) $ in Thousands	Feb. 01, 2020	Feb. 02, 2019
Current Assets
Money market accounts	$ 621	$ 711
Marketable securities	63,893	61,987
Noncurrent Assets
Deferred compensation plan	7,464	6,644
Total assets	71,978	69,342
Quoted Prices in Active Markets for Identical Assets (Level 1)
Current Assets
Money market accounts	621	711
Noncurrent Assets
Deferred compensation plan	7,464	6,644
Total assets	8,085	7,355
Significant Other Observable Inputs (Level 2)
Current Assets
Money market accounts	0	0
Noncurrent Assets
Deferred compensation plan	0	0
Total assets	63,893	61,987
Significant Unobservable Inputs (Level 3)
Current Assets
Money market accounts	0	0
Noncurrent Assets
Deferred compensation plan	0	0
Total assets	0	0
Corporate bonds
Current Assets
Marketable securities	62,645	60,281
Corporate bonds \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Current Assets
Marketable securities	0	0
Corporate bonds \| Significant Other Observable Inputs (Level 2)
Current Assets
Marketable securities	62,645	60,281
Corporate bonds \| Significant Unobservable Inputs (Level 3)
Current Assets
Marketable securities	0	0
Commercial paper
Current Assets
Marketable securities	1,248	1,706
Commercial paper \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Current Assets
Marketable securities	0	0
Commercial paper \| Significant Other Observable Inputs (Level 2)
Current Assets
Marketable securities	1,248	1,706
Commercial paper \| Significant Unobservable Inputs (Level 3)
Current Assets
Marketable securities	$ 0	$ 0

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-Publisher FASB
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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

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