EARNINGS PER SHARE (Tables)

12 Months Ended

Oct. 31, 2021

Earnings Per Share [Abstract]

Schedule of Computation of Class Based Basic and Diluted Earnings Per Share

The Company calculates EPS as follows:

Basic	=	40% * Average Class A Shares Outstanding	*	Undistributed Net Income	+	Class A Dividends Per Share
Class A EPS		40% * Average Class A Shares Outstanding + 60% * Average Class B Shares Outstanding		Average Class A Shares Outstanding
Diluted	=	40% * Average Class A Shares Outstanding	*	Undistributed Net Income	+	Class A Dividends Per Share
Class A EPS		40% * Average Class A Shares Outstanding + 60% * Average Class B Shares Outstanding		Average Diluted Class A Shares Outstanding
Basic	=	60% * Average Class B Shares Outstanding	*	Undistributed Net Income	+	Class B Dividends Per Share
Class B EPS		40% * Average Class A Shares Outstanding + 60% * Average Class B Shares Outstanding		Average Class B Shares Outstanding
		* Diluted Class B EPS calculation is identical to Basic Class B calculation

Schedule of Computation of Earnings Per Share Basic and Diluted

The following table provides EPS information for each period, respectively:

	Year Ended October 31,
(in millions, except per share data)	2021		2020		2019
Numerator
Numerator for basic and diluted EPS –
Net income attributable to Greif	$	390.7	$	108.8	$	171.0
Cash dividends	(105.8)		(104.3)		(104.0)
Undistributed net income attributable to Greif, Inc.	$	284.9	$	4.5	$	67.0
Denominator
Denominator for basic EPS –
Class A common stock	26.5		26.4		26.2
Class B common stock	22.0		22.0		22.0
Denominator for diluted EPS –
Class A common stock	26.7		26.4		26.2
Class B common stock	22.0		22.0		22.0
EPS Basic
Class A common stock	$	6.57	$	1.83	$	2.89
Class B common stock	$	9.84	$	2.74	$	4.33
EPS Diluted
Class A common stock	$	6.54	$	1.83	$	2.89
Class B common stock	$	9.84	$	2.74	$	4.33

Schedule of Company's Class A and Class B Common and Treasury Shares

The following table summarizes the Company’s Class A and Class B common and treasury shares at the specified dates:

	Authorized Shares	Issued Shares	Outstanding Shares	Treasury Shares
October 31, 2021:
Class A common stock	128,000,000	42,281,920	26,550,924	15,730,996
Class B common stock	69,120,000	34,560,000	22,007,725	12,552,275
October 31, 2020:
Class A common stock	128,000,000	42,281,920	26,441,986	15,839,934
Class B common stock	69,120,000	34,560,000	22,007,725	12,552,275

Schedule of Reconciliation of Shares Used to Calculate Basic and Diluted Earnings Per Share

The following is a reconciliation of the shares used to calculate basic and diluted earnings per share:

	Year Ended October 31,
	2021	2020	2019
Class A Common Stock:
Basic shares	26,525,529	26,382,838	26,189,445
Assumed conversion of stock options and unvested shares	133,692	7,805	25,666
Diluted shares	26,659,221	26,390,643	26,215,111
Class B Common Stock:
Basic and diluted shares	22,007,725	22,007,725	22,007,725