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CASH, CASH EQUIVALENTS AND INVESTMENTS - Earnings on Investments (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Oct. 31, 2024 | Oct. 31, 2023 | Oct. 31, 2024 | Oct. 31, 2023
CASH, CASH EQUIVALENTS AND INVESTMENTS |  |  |  |
Earnings on investments | $ 4.8 | $ 4.0 | $ 14.0 | $ 9.7

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- Definition The aggregate amount of income from investments (for example, dividends) not considered a component of the entity's core operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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