Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Net sales	$ 887.4	$ 839.6	$ 1,708.3	$ 1,611.0
Cost of products sold	705.5	665.9	1,363.1	1,286.0
Gross profit	181.9	173.7	345.2	325.0
Selling, general and administrative expenses	97.0	94.5	193.6	187.7
Restructuring charges	5.1	5.4	4.8	7.7
Non-cash asset impairment charges	2.0	1.7	3.9	40.8
Pension settlement charge	1.1	0.0	24.6	0.0
Gain on disposal of properties, plants and equipment, net	(1.8)	(7.9)	(2.8)	(8.8)
Gain on disposal of businesses, net	(1.9)	(2.8)	(1.4)	(2.8)
Operating profit	80.4	82.8	122.5	100.4
Interest expense, net	14.3	19.9	33.0	38.4
Other expense, net	3.2	1.7	6.8	4.7
Income before income tax expense and equity earnings of unconsolidated affiliates, net	62.9	61.2	82.7	57.3
Income tax expense	23.0	28.7	34.8	34.7
Net income	39.9	32.5	47.9	22.6
Net income attributable to noncontrolling interests	(3.9)	(1.1)	(6.5)	(2.3)
Net income attributable to Greif, Inc.	$ 36.0	$ 31.4	$ 41.4	$ 20.3
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)	$ 0.61	$ 0.53	$ 0.71	$ 0.35
Diluted earnings per share attributable to Greif, Inc. common shareholders:
Diluted earnings per share attributable to Greif, Inc. common shareholders (usd per share)	$ 0.61	$ 0.53	$ 0.71	$ 0.35
Weighted-average number of common shares outstanding:
Weighted-average number of common shares outstanding, basic (shares)	25,824,194	25,761,733	25,805,981	25,729,623
Weighted-average number of common shares outstanding, diluted (shares)	25,828,882	25,766,609	25,810,660	25,733,924
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)	0.92	0.80	1.05	0.51
Diluted earnings per share attributable to Greif, Inc. common shareholders:
Diluted earnings per share attributable to Greif, Inc. common shareholders (usd per share)	$ 0.92	$ 0.80	$ 1.05	$ 0.51
Weighted-average number of common shares outstanding:
Weighted-average number of common shares outstanding, basic (shares)	22,000,000	22,100,000	22,000,000	22,100,000
Weighted-average number of common shares outstanding, diluted (shares)	22,000,000	22,100,000	22,000,000	22,100,000
Cash dividends declared per common share:
Cash dividends declared per common share (usd per share)	$ 0.63	$ 0.63	$ 1.25	$ 1.25