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Earnings Per Share - Computation of Earnings Per Share Basic and Diluted (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Numerator for basic and diluted EPS    
Net income attributable to Greif, Inc. $ 29.5 $ 23.6
Cash dividends 24.4 24.4
Undistributed net income attributable to Greif, Inc. $ 5.1 $ (0.8)
Class A Common Stock [Member]
   
Denominator for basic EPS    
Denominator for basic EPS 25,470,354 25,316,395
Denominator for diluted EPS    
Denominator for diluted EPS 25,495,347 25,379,747
EPS Basic    
EPS Basic $ 0.51 $ 0.41
EPS Diluted    
EPS Diluted $ 0.51 $ 0.41
Dividends per share    
Dividends per share $ 0.42 $ 0.42
Class B Common Stock [Member]
   
Denominator for basic EPS    
Denominator for basic EPS 22,119,966 22,119,966
Denominator for diluted EPS    
Denominator for diluted EPS 22,119,966 22,119,966
EPS Basic    
EPS Basic $ 0.75 $ 0.60
EPS Diluted    
EPS Diluted $ 0.75 $ 0.60
Dividends per share    
Dividends per share $ 0.62 $ 0.62