Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Net sales	$ 4,515.0	$ 4,595.0	$ 3,873.8
Costs of products sold	3,600.3	3,635.1	3,084.9
Gross profit	914.7	959.9	788.9
Selling, general and administrative expenses	516.0	507.4	397.2
Restructuring charges	38.7	26.1	18.6
Acquisition and integration related costs	17.0	29.7	0.7
Non-cash asset impairment charges	18.5	7.8	8.3
Gain on disposal of properties, plants and equipment, net	(19.2)	(13.9)	(5.6)
(Gain) loss on disposal of businesses, net	38.8	3.7	(0.8)
Operating profit	304.9	399.1	370.5
Interest expense, net	115.8	112.5	51.0
Debt extinguishment charges	0.0	22.0	0.0
Non-cash pension settlement charges	0.3	0.0	1.3
Other expense, net	2.7	2.6	18.4
Income before income tax expense and equity earnings of unconsolidated affiliates, net	186.1	262.0	299.8
Income tax expense	63.3	70.7	73.3
Equity earnings of unconsolidated affiliates, net of tax	(1.5)	(2.9)	(3.0)
Net income	124.3	194.2	229.5
Net income attributable to noncontrolling interests	(15.5)	(23.2)	(20.1)
Net income attributable to Greif, Inc.	$ 108.8	$ 171.0	$ 209.4
Class A common stock
Basic earnings per share attributable to Greif, Inc. common shareholders:
Basic earnings per share attributable to Greif, Inc. common shareholders (usd per share)	$ 1.83	$ 2.89	$ 3.56
Diluted earnings per share attributed to Greif, Inc. common shareholders:
Diluted earnings per share attributable to Greif, Inc. common shareholders (usd per share)	1.83	2.89	3.55
Class B common stock
Basic earnings per share attributable to Greif, Inc. common shareholders:
Basic earnings per share attributable to Greif, Inc. common shareholders (usd per share)	2.74	4.33	5.33
Diluted earnings per share attributed to Greif, Inc. common shareholders:
Diluted earnings per share attributable to Greif, Inc. common shareholders (usd per share)	$ 2.74	$ 4.33	$ 5.33