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Earnings Per Share - Computation of Earnings Per Share Basic and Diluted (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2016 | Jul. 31, 2015 | Jul. 31, 2016 | Jul. 31, 2015
Numerator for basic and diluted EPS |  |  |  |
Net income attributable to Greif, Inc. | $ 46.1 | $ 8.6 | $ 66.4 | $ 59.5
Cash dividends | (24.7) | (24.8) | (74.0) | (74.0)
Undistributed net (loss) income attributable to Greif, Inc. | $ 21.4 | $ (16.2) | $ (7.6) | $ (14.5)

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