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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, 2019 | Apr. 30, 2018 | Apr. 30, 2019 | Apr. 30, 2018
Numerator for basic and diluted EPS |  |  |  |
Net income attributable to Greif, Inc. | $ 13.6 | $ 45.1 | $ 43.3 | $ 101.6
Cash dividends | (26.1) | (24.8) | (51.8) | (49.3)
Undistributed net income (loss) attributable to Greif, Inc. | $ (12.5) | $ 20.3 | $ (8.5) | $ 52.3

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