Commitments and Contingencies - Additional Information (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Apr. 30, 2021 |
Apr. 30, 2020 |
Jan. 31, 2021 |
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| Loss Contingencies [Line Items] | |||
| Letters of credit outstanding | $ 3,900,000 | $ 4,100,000 | |
| Letters of credit expire in various dates through fiscal year | 2022 | 2022 | |
| Defined contribution plan, percentage of participating employee contributions | 50.00% | ||
| Defined contribution plan, contribution cost | $ 3,100,000 | $ 1,900,000 | |
| Defined Contribution Plan, Tax Status [Extensible List] | us-gaap:QualifiedPlanMember | us-gaap:QualifiedPlanMember | |
| Warranty expense | $ 0 | ||
| Accruals for product warranty costs | 0 | ||
| Long-term incentive award, additional commitment | 2,900,000 | $ 3,400,000 | |
| Accrued Expenses and Other Current Liabilities | |||
| Loss Contingencies [Line Items] | |||
| Long-term incentive award, accrued | $ 900,000 | $ 900,000 | |
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- Definition Letters of credit expire in various dates through fiscal year. No definition available.
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- Definition Long-term incentive award, accrued. No definition available.
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- Definition Long-term incentive award, additional commitment. No definition available.
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- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage employer matches of the employee's percentage contribution matched. No definition available.
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- Definition Indicates tax status of defined contribution plan designed to provide retirement benefits. No definition available.
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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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. No definition available.
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- Definition The amount of loss reported during the period pertaining to product liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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