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SHORT-TERM AND LONG-TERM INVESTMENTS - Legal Maturities of Debt Investments (Details) $ in Thousands	Jul. 31, 2021 USD ($)
Amortized Cost
Less than one year	$ 181,966
Due in 1-2 years	60,887
Amortized Cost	242,853
Estimated Fair Value
Less than one year	182,010
Due in 1-2 years	60,888
Estimated Fair Value	$ 242,898

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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).

+ References

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-Publisher FASB
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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 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).

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