EARNINGS PER SHARE (Tables)

12 Months Ended

Oct. 31, 2022

Earnings Per Share [Abstract]

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

The Company calculates EPS as follows:

Basic Class A EPS	=	40% * Average Class A Shares Outstanding	*	Undistributed Net Income	+	Class A Dividends Per Share
		40% * Average Class A Shares Outstanding + 60% * Average Class B Shares Outstanding		Average Class A Shares Outstanding
Diluted Class A EPS	=	40% * Average Class A Shares Outstanding	*	Undistributed Net Income	+	Class A Dividends Per Share
		40% * Average Class A Shares Outstanding + 60% * Average Class B Shares Outstanding		Average Diluted Class A Shares Outstanding
Basic Class B EPS	=	60% * Average Class B Shares Outstanding	*	Undistributed Net Income	+	Class B Dividends Per Share
		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)	2022		2021		2020
Numerator
Numerator for basic and diluted EPS
Net income attributable to Greif, Inc.	$	376.7	$	390.7	$	108.8
Cash dividends	(111.3)		(105.8)		(104.3)
Undistributed net income attributable to Greif, Inc.	$	265.4	$	284.9	$	4.5
Denominator
Denominator for basic EPS –
Class A common stock	26.3		26.5		26.4
Class B common stock	22.0		22.0		22.0
Denominator for diluted EPS –
Class A common stock	26.6		26.7		26.4
Class B common stock	22.0		22.0		22.0
EPS Basic
Class A common stock	$	6.36	$	6.57	$	1.83
Class B common stock	$	9.53	$	9.84	$	2.74
EPS Diluted
Class A common stock	$	6.30	$	6.54	$	1.83
Class B common stock	$	9.53	$	9.84	$	2.74

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, 2022:
Class A common stock	128,000,000	42,281,920	25,606,287	16,675,633
Class B common stock	69,120,000	34,560,000	21,836,745	12,723,255
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

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,
	2022	2021	2020
Class A Common Stock:
Basic shares	26,251,536	26,525,529	26,382,838
Assumed conversion of stock options and unvested shares	359,176	133,692	7,805
Diluted shares	26,610,712	26,659,221	26,390,643
Class B Common Stock:
Basic and diluted shares	21,995,865	22,007,725	22,007,725