Condensed Consolidated Statements of Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Net sales	$ 968,300,000	$ 887,400,000	$ 1,874,000,000	$ 1,708,300,000
Cost of products sold	773,000,000	705,500,000	1,507,000,000	1,363,100,000
Gross profit	195,300,000	181,900,000	367,000,000	345,200,000
Selling, general and administrative expenses	102,700,000	97,000,000	206,500,000	193,600,000
Restructuring charges	6,000,000	5,100,000	10,100,000	4,800,000
Non-cash asset impairment charges	400,000	2,000,000	3,300,000	3,900,000
Gain on disposal of properties, plants and equipment, net	(1,500,000)	(1,800,000)	(6,100,000)	(2,800,000)
Gain on disposal of businesses, net	0	(1,900,000)	0	(1,400,000)
Operating profit	87,700,000	81,500,000	153,200,000	147,100,000
Interest expense, net	13,000,000	14,300,000	26,300,000	33,000,000
Pension settlement charge	0	1,100,000	0	24,600,000
Other expense, net	2,500,000	3,200,000	10,200,000	6,800,000
Income before income tax expense and equity earnings of unconsolidated affiliates, net	72,200,000	62,900,000	116,700,000	82,700,000
Income tax expense	21,100,000	23,000,000	5,500,000	34,800,000
Equity earnings of unconsolidated affiliates, net of tax	(800,000)	0	(800,000)	0
Net income	51,900,000	39,900,000	112,000,000	47,900,000
Net income attributable to noncontrolling interests	(6,800,000)	(3,900,000)	(10,400,000)	(6,500,000)
Net income attributable to Greif, Inc.	$ 45,100,000	$ 36,000,000	$ 101,600,000	$ 41,400,000
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)	$ 0.77	$ 0.61	$ 1.73	$ 0.71
Diluted earnings per share attributable to Greif, Inc. common shareholders:
Diluted earnings per share attributable to Greif, Inc. common shareholders (usd per share)	$ 0.77	$ 0.61	$ 1.73	$ 0.71
Weighted-average number of common shares outstanding:
Weighted-average number of common shares outstanding, basic (shares)	25,934,680	25,824,194	25,890,495	25,805,981
Weighted-average number of common shares outstanding, diluted (shares)	25,934,680	25,828,882	25,890,495	25,810,660
Cash dividends declared per common share:
Cash dividends declared per common share (usd per share)	$ 0.42	$ 0.42	$ 0.84	$ 0.84
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)	1.14	0.92	2.58	1.05
Diluted earnings per share attributable to Greif, Inc. common shareholders:
Diluted earnings per share attributable to Greif, Inc. common shareholders (usd per share)	$ 1.14	$ 0.92	$ 2.58	$ 1.05
Weighted-average number of common shares outstanding:
Weighted-average number of common shares outstanding, basic (shares)	22,000,000	22,000,000	22,000,000	22,000,000
Weighted-average number of common shares outstanding, diluted (shares)	22,000,000	22,000,000	22,000,000	22,000,000
Cash dividends declared per common share:
Cash dividends declared per common share (usd per share)	$ 0.63	$ 0.63	$ 1.25	$ 1.25