v3.21.1

Fair value measurements - Schedule of assets and liabilities measured at fair value (Detail) - Fair Value, Recurring - USD ($) | Jan. 31, 2021 | Jan. 31, 2020
--- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Money market mutual funds | $ 197,522,000 | $ 86,600,000
Foreign currency derivative contracts | 148,000 | 58,000
Total assets | 197,670,000 | 86,658,000
Acquisition related contingent consideration liabilities | (1,286,000) |
Total liabilities | (1,286,000) |
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Money market mutual funds | 197,522,000 | 86,600,000
Foreign currency derivative contracts | 0 | 0
Total assets | 197,522,000 | 86,600,000
Acquisition related contingent consideration liabilities | 0 |
Total liabilities | 0 |
Significant Other Observable Inputs (Level 2) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Money market mutual funds | 0 | 0
Foreign currency derivative contracts | 148,000 | 58,000
Total assets | 148,000 | 58,000
Acquisition related contingent consideration liabilities | 0 |
Total liabilities | 0 |
Significant Unobservable Inputs (Level 3) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Money market mutual funds | 0 | 0
Foreign currency derivative contracts | 0 | 0
Total assets | 0 | $ 0
Acquisition related contingent consideration liabilities | (1,286,000) |
Total liabilities | $ (1,286,000) |

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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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 Fair value portion of arrangements with third parties, including, but not limited to, operating lease arrangement and arrangement in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services. + 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(25)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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