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Cash Equivalents and Investments - Narrative (Details) - USD ($) | 12 Months Ended |
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Jan. 31, 2025 | Jan. 31, 2024
Debt Securities, Available-for-sale, Unrealized Loss Position |  |
Contractual maturities of available-for-sale debt securities, maximum | 36 months |
Gross unrealized losses on available-for-sale marketable debt securities | $ 0 | $ 8,195,000
Prepaid Expenses and Other Current Assets |  |
Debt Securities, Available-for-sale, Unrealized Loss Position |  |
Interest receivable, current | $ 23,600,000 | $ 24,200,000

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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 Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479081/326-30-55-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-4 + Details
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- Definition Carrying amount as of the balance sheet date of current interest earned but not received. Also called accrued interest or accrued interest receivable. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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