Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Net sales	$ 905.7	$ 820.9
Cost of products sold	734.0	657.6
Gross profit	171.7	163.3
Selling, general and administrative expenses	103.8	96.6
Restructuring charges	4.1	(0.3)
Non-cash asset impairment charges	2.9	1.9
Gain on disposal of properties, plants and equipment, net	(4.6)	(1.0)
Loss on disposal of businesses, net	0.0	0.5
Operating profit	65.5	65.6
Interest expense, net	13.3	18.7
Pension settlement charge	0.0	23.5
Other expense, net	7.7	3.6
Income before income tax (benefit) expense, net	44.5	19.8
Income tax (benefit) expense	(15.6)	11.8
Net income	60.1	8.0
Net income attributable to noncontrolling interests	(3.6)	(2.6)
Net income attributable to Greif, Inc.	$ 56.5	$ 5.4
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)	$ 0.96	$ 0.10
Diluted earnings per share attributable to Greif, Inc. common shareholders:
Diluted earnings per share attributable to Greif, Inc. common shareholders (usd per share)	$ 0.96	$ 0.10
Weighted-average number of common shares outstanding:
Weighted-average number of common shares outstanding, basic (shares)	25,845,758	25,787,769
Weighted-average number of common shares outstanding, diluted (shares)	25,845,758	25,792,441
Cash dividends declared per common share:
Cash dividends declared per common share (usd per share)	$ 0.42	$ 0.42
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)	1.44	0.13
Diluted earnings per share attributable to Greif, Inc. common shareholders:
Diluted earnings per share attributable to Greif, Inc. common shareholders (usd per share)	$ 1.44	$ 0.13
Weighted-average number of common shares outstanding:
Weighted-average number of common shares outstanding, basic (shares)	22,000,000	22,000,000
Weighted-average number of common shares outstanding, diluted (shares)	22,000,000	22,000,000
Cash dividends declared per common share:
Cash dividends declared per common share (usd per share)	$ 0.62	$ 0.62