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Fair Value Hierarchy for Financial Assets (Cash, Cash Equivalents and Short-Term Investments) Measured at Fair Value on Recurring Basis (Detail) - USD ($) | Feb. 02, 2019 | Feb. 03, 2018
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | $ 333,330,000 | $ 413,613,000
Short-term investments |  | 92,135,000 | 0
Total |  | 425,465,000 | 413,613,000
Cash |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 108,216,000 | 184,107,000
Interest Bearing Deposits |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 165,274,000 | 174,577,000
Fair Value, Measurements, Recurring | Carrying Amount |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 333,330,000 | 413,613,000
Short-term investments | [1] | 92,135,000 |
Total |  | 425,465,000 |
Fair Value, Measurements, Recurring | Carrying Amount | Commercial Paper |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 59,840,000 | 54,929,000
Short-term investments | [1] | 22,135,000 |
Fair Value, Measurements, Recurring | Carrying Amount | Certificates of Deposit |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Short-term investments | [1] | 70,000,000 |
Fair Value, Measurements, Recurring | Carrying Amount | Cash |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 108,216,000 | 184,107,000
Fair Value, Measurements, Recurring | Carrying Amount | Interest Bearing Deposits |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 165,274,000 | 174,577,000
Fair Value, Measurements, Recurring | Fair Value | Quoted Market Prices in Active Markets for Identical Assets (Level 1) |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 333,330,000 | 413,613,000
Short-term investments | [1] | 92,135,000 |
Total |  | 425,465,000 |
Fair Value, Measurements, Recurring | Fair Value | Commercial Paper | Quoted Market Prices in Active Markets for Identical Assets (Level 1) |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 59,840,000 | 54,929,000
Short-term investments | [1] | 22,135,000 |
Fair Value, Measurements, Recurring | Fair Value | Certificates of Deposit | Quoted Market Prices in Active Markets for Identical Assets (Level 1) |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Short-term investments | [1] | 70,000,000 |
Fair Value, Measurements, Recurring | Fair Value | Cash | Quoted Market Prices in Active Markets for Identical Assets (Level 1) |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 108,216,000 | 184,107,000
Fair Value, Measurements, Recurring | Fair Value | Interest Bearing Deposits | Quoted Market Prices in Active Markets for Identical Assets (Level 1) |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | $ 165,274,000 | $ 174,577,000
[1] | Please see Note 2 to the Consolidated Financial Statements for a description of what we consider cash-equivalents and short-term investments.

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- Definition 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. + References No definition available. + Details
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- Definition Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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