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EARNINGS PER SHARE - Computation of Earnings Per Share Basic and Diluted (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2020 | Apr. 30, 2019 | Apr. 30, 2020 | Apr. 30, 2019
Numerator for basic and diluted EPS |  |  |  |
Net income attributable to Greif, Inc. | $ 11.4 | $ 13.6 | $ 43.7 | $ 43.3
Cash dividends | (26.1) | (26.1) | (52.0) | (51.8)
Undistributed net income attributable to Greif, Inc. | $ (14.7) | $ (12.5) | $ (8.3) | $ (8.5)

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