Consolidated Statements of Income - USD ($)	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Total net sales	$ 3,873,800,000	$ 3,638,200,000	$ 3,323,600,000
Costs of products sold	3,084,900,000	2,923,500,000	2,638,700,000
Gross profit	788,900,000	714,700,000	684,900,000
Selling, general and administrative expenses	397,900,000	380,400,000	376,800,000
Restructuring charges	18,600,000	12,700,000	26,900,000
Non-cash asset impairment charges	8,300,000	7,800,000	51,400,000
Goodwill impairment charges	0	13,000,000	0
Gain on disposal of properties, plants and equipment, net	(5,600,000)	(400,000)	(10,300,000)
(Gain) loss on disposal of businesses, net	(800,000)	1,700,000	14,500,000
Operating profit	370,500,000	299,500,000	225,600,000
Interest expense, net	51,000,000	60,100,000	75,400,000
Pension settlement charge	1,300,000	27,100,000	0
Other expense, net	18,400,000	12,000,000	9,000,000
Income before income tax expense and equity earnings of unconsolidated affiliates, net	299,800,000	200,300,000	141,200,000
Income tax expense	73,300,000	67,200,000	66,500,000
Equity earnings of unconsolidated affiliates, net of tax	(3,000,000)	(2,000,000)	(800,000)
Net income	229,500,000	135,100,000	75,500,000
Net income attributable to noncontrolling interests	(20,100,000)	(16,500,000)	(600,000)
Net income attributable to Greif, Inc.	$ 209,400,000	$ 118,600,000	$ 74,900,000
Class A Common Stock
Basic earnings per share attributable to Greif, Inc.:
EPS Basic (usd per share)	$ 3.56	$ 2.02	$ 1.28
Diluted earnings per share attributed to Greif, Inc.:
EPS Diluted (usd per share)	3.55	2.02	1.28
Class B Common Stock
Basic earnings per share attributable to Greif, Inc.:
EPS Basic (usd per share)	5.33	3.02	1.90
Diluted earnings per share attributed to Greif, Inc.:
EPS Diluted (usd per share)	$ 5.33	$ 3.02	$ 1.90