CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Net sales	$ 1,371.0	$ 1,308.9	$ 2,576.8	$ 2,579.9
Cost of products sold	1,100.9	997.1	2,085.1	2,016.5
Gross profit	270.1	311.8	491.7	563.4
Selling, general and administrative expenses	167.2	137.2	313.0	276.6
Acquisition and integration related costs	11.5	4.6	14.1	12.1
Restructuring charges	(6.8)	2.4	(1.1)	4.8
Non-cash asset impairment charges	0.4	1.3	1.7	1.8
Gain on disposal of properties, plants and equipment, net	(0.3)	(5.0)	(3.0)	(5.0)
Gain on disposal of businesses, net	0.0	(9.8)	0.0	(64.4)
Operating profit	98.1	181.1	167.0	337.5
Interest expense, net	30.2	23.4	54.4	46.2
Other (income) expense, net	(0.4)	2.9	8.7	6.2
Income before income tax (benefit) expense and equity earnings of unconsolidated affiliates, net	68.3	154.8	103.9	285.1
Income tax (benefit) expense	17.0	39.1	(21.2)	76.8
Equity earnings of unconsolidated affiliates, net of tax	(0.7)	(0.3)	(1.2)	(0.8)
Net income	52.0	116.0	126.3	209.1
Net income attributable to noncontrolling interests	(7.6)	(4.8)	(14.7)	(8.0)
Net income attributable to Greif, Inc.	$ 44.4	$ 111.2	$ 111.6	$ 201.1
Class A Common Stock
Basic earnings per share attributable to Greif, Inc. common shareholders:
Basic earnings per share attributable to Greif, Inc. common shareholders (in usd per share)	$ 0.77	$ 1.91	$ 1.94	$ 3.46
Diluted earnings per share attributable to Greif, Inc. common shareholders:
Diluted earnings per share attributable to Greif, Inc. common shareholders (in usd per share)	$ 0.77	$ 1.90	$ 1.94	$ 3.44
Weighted-average number of common shares outstanding:
Basic (in shares)	25,802,839	25,771,973	25,667,030	25,712,178
Diluted (in shares)	25,918,387	26,185,895	25,772,612	25,986,677
Cash dividends declared per common share:
Cash dividends declared per common share (in usd per share)	$ 0.52	$ 0.50	$ 1.04	$ 1.00
Class B Common Stock
Basic earnings per share attributable to Greif, Inc. common shareholders:
Basic earnings per share attributable to Greif, Inc. common shareholders (in usd per share)	1.15	2.88	2.90	5.19
Diluted earnings per share attributable to Greif, Inc. common shareholders:
Diluted earnings per share attributable to Greif, Inc. common shareholders (in usd per share)	$ 1.15	$ 2.88	$ 2.90	$ 5.19
Weighted-average number of common shares outstanding:
Basic (in shares)	21,331,127	21,495,741	21,331,127	21,608,671
Diluted (in shares)	21,331,127	21,495,741	21,331,127	21,608,671
Cash dividends declared per common share:
Cash dividends declared per common share (in usd per share)	$ 0.78	$ 0.75	$ 1.55	$ 1.49