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ACQUISITIONS (Pro Forma Information) (Details) - ESI Group SA - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended
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Jan. 31, 2024 | Jan. 31, 2023
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |  |
Net revenue | $ 1,259 | $ 1,423
Net income | $ 186 | $ 250
Net income per share - Basic | $ 1.07 | $ 1.40
Net income per share - Diluted | $ 1.06 | $ 1.39

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