Financial Instruments - Amortized Cost and Estimated Fair Value (Details) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Nov. 06, 2022 |
Oct. 31, 2021 |
Nov. 06, 2022 |
Oct. 31, 2021 |
Feb. 06, 2022 |
|
| Amortized Cost | |||||
| Due within one year | $ 362,127,000 | $ 362,127,000 | |||
| Due in one to five years | 328,988,000 | 328,988,000 | |||
| Total | 691,115,000 | 691,115,000 | $ 953,828,000 | ||
| Fair Value | |||||
| Due within one year | 355,765,000 | 355,765,000 | |||
| Due in one to five years | 313,408,000 | 313,408,000 | |||
| Total | 669,173,000 | 669,173,000 | |||
| Impairment charge for unrealized losses | $ 0 | $ 0 | $ 0 | $ 0 | |
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- Definition Debt Securities, Available-for-Sale, Cash Equivalents ad Restricted Cash, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five No definition available.
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- Definition Debt Securities, Available-for-Sale, Cash Equivalents and Restricted Cash, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One No definition available.
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- Definition Debt Securities, Available-for-sale, Cash Equivalents And Restricted Cash, Amortized Cost No definition available.
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- References No definition available.
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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 current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). 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 next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) from writeoff. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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