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Credit Losses - Schedule of Fair Value and Unrealized Losses on Available for Sale Debt Securities (Detail) $ in Thousands | Oct. 31, 2020 USD ($)
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Commercial Paper |
Fair Value And Unrealized Losses On Available For Sale Debt Securities [Line Items] |
Less Than 12 Months, Fair Value | $ 15,988
Less Than 12 Months, Unrealized Loss | 3
Commercial Paper | Marketable Securities Current |
Fair Value And Unrealized Losses On Available For Sale Debt Securities [Line Items] |
Available For Sale Securities Debt Securities, Current | 15,988
Corporate Notes/Bonds |
Fair Value And Unrealized Losses On Available For Sale Debt Securities [Line Items] |
Less Than 12 Months, Fair Value | 10,470
Less Than 12 Months, Unrealized Loss | 6
Corporate Notes/Bonds | Marketable Securities Current |
Fair Value And Unrealized Losses On Available For Sale Debt Securities [Line Items] |
Available For Sale Securities Debt Securities, Current | 10,470
U.S. Treasury and Agency Securities |
Fair Value And Unrealized Losses On Available For Sale Debt Securities [Line Items] |
Less Than 12 Months, Fair Value | 1,974
Less Than 12 Months, Unrealized Loss | 1
U.S. Treasury and Agency Securities | Marketable Securities Current |
Fair Value And Unrealized Losses On Available For Sale Debt Securities [Line Items] |
Available For Sale Securities Debt Securities, Current | $ 1,974

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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), classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121553693&loc=d3e26626-111562 + Details
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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), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922890-210455 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
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