CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Jul. 31, 2021	Jul. 31, 2020
Cash flows from operating activities:
Net income	$ 303.3	$ 76.3
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	176.2	182.4
Non-cash asset impairment charges	1.5	16.9
Non-cash pension settlement charges (income)	9.0	(0.1)
Loss (gain) on disposals of properties, plants and equipment, net	(1.3)	(2.1)
Loss on disposals of businesses, net	0.0	37.9
Timberland gains	(95.7)	0.0
Unrealized foreign exchange loss (gain)	0.8	(0.2)
Deferred income tax benefit	(41.6)	(5.3)
Non-cash lease expense	36.5	43.0
Other, net	0.3	(1.8)
Increase (decrease) in cash from changes in certain assets and liabilities:
Trade accounts receivable	(185.4)	9.4
Inventories	(157.5)	(22.5)
Accounts payable	204.1	25.9
Restructuring reserves	(1.2)	8.5
Operating leases	(40.1)	(42.4)
Pension and post-retirement benefit liabilities	(11.7)	(17.3)
Other, net	61.5	(54.3)
Net cash provided by operating activities	258.7	254.3
Cash flows from investing activities:
Purchases of properties, plants and equipment	(94.2)	(98.8)
Purchases of and investments in timber properties	(7.4)	(4.0)
Purchases of equity method investments	0.0	(3.6)
Proceeds from the sale of timberlands	145.1	0.0
Collections of receivables held in special purpose entities	50.9	0.0
Payments for issuance of loans receivable	(15.0)	0.0
Proceeds from the sale of properties, plants, equipment and other assets	10.7	7.8
Proceeds from the sale of businesses	0.0	82.9
Proceeds from insurance recoveries	0.0	0.9
Other, net	(3.9)	0.0
Net cash provided by (used in) investing activities	86.2	(14.8)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	1,160.5	1,083.6
Payments on long-term debt	(1,490.0)	(1,156.9)
Proceeds (payments) on short-term borrowings, net	28.4	(6.9)
Proceeds from trade accounts receivable credit facility	99.0	64.3
Payments on trade accounts receivable credit facility	(23.1)	(119.4)
Payments for liabilities held in special purpose entities	(43.3)	0.0
Dividends paid to Greif, Inc. shareholders	(78.4)	(78.2)
Dividends paid to noncontrolling interests	(7.2)	(12.1)
Net cash used in financing activities	(354.1)	(225.6)
Effects of exchange rates on cash	3.1	7.3
Net increase (decrease) in cash and cash equivalents	(6.1)	21.2
Cash and cash equivalents at beginning of period	105.9	77.3
Cash and cash equivalents at end of period	$ 99.8	$ 98.5