Fair Value Measurements and Marketable Securities - Maturities (Details) $ in Thousands |
Jan. 31, 2020
USD ($)
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|---|---|
| Amortized cost | |
| Due in one year or less | $ 377,722 |
| Due after one year through five years | 266,670 |
| Due after five years through nineteen years | 1,127 |
| Marketable securities, amortized cost, due | 645,519 |
| Fair value | |
| Due in one year or less | 378,408 |
| Due after one year through five years | 267,728 |
| Due after five years through nineteen years | 1,130 |
| Marketable securities, fair value, due | $ 647,266 |
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- Definition Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Nineteen Years, Amortized Cost No definition available.
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- Definition Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Nineteen Years, Fair Value No definition available.
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amortized cost of investment in debt security measured at fair value with change recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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