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EARNINGS PER SHARE - Computation of Earnings Per Share Basic and Diluted (Details) - USD ($)
$ in Millions
3 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Numerator for basic and diluted EPS    
Net income attributable to Greif, Inc. $ 10.3 $ 23.4
Cash dividends (27.2) (25.9)
Undistributed earnings attributable to Greif, Inc. $ (16.9) $ (2.5)