CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Cash flows from operating activities:
Net income	$ 394.0	$ 413.2	$ 124.3
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	216.6	234.4	242.5
Timberland gains, net	0.0	(95.7)	0.0
Non-cash asset impairment charges	71.0	8.9	18.5
Non-cash pension settlement charges	0.0	9.1	0.3
Gain on disposal of properties, plants and equipment, net	(8.1)	(3.7)	(19.2)
(Gain) loss on disposals of businesses, net	(1.4)	0.2	38.8
Unrealized foreign exchange (gain) loss	(1.6)	1.0	(4.2)
Deferred income tax expense (benefit)	13.4	(47.2)	16.7
Debt extinguishment charges	22.6	0.0	0.0
Non-cash lease expense	35.7	40.0	57.4
Other, net	0.8	(2.4)	(3.0)
Increase (decrease) in cash from changes in certain assets and liabilities:
Trade accounts receivable	25.1	(247.5)	(9.1)
Inventories	6.1	(205.6)	27.1
Accounts payable	(40.5)	230.4	38.1
Restructuring reserves	(6.6)	(1.4)	10.2
Operating leases	(36.9)	(43.5)	(56.8)
Pension and post-retirement benefit liabilities	(24.7)	(11.5)	(13.3)
Other, net	(8.0)	117.3	(13.6)
Net cash provided by operating activities	657.5	396.0	454.7
Cash flows from investing activities:
Purchases of properties, plants and equipment	(176.3)	(140.7)	(131.4)
Purchases of and investments in timber properties	(6.7)	(6.6)	(5.4)
Proceeds from the sale of properties, plants, equipment and other assets	20.3	16.2	33.4
Proceeds from the sale of businesses	139.2	2.7	80.9
Proceeds on timberlands	0.0	145.1	0.0
Collections on receivables held in special purpose entities	0.0	50.9	0.0
Payments for issuance of loans receivable	0.0	(15.0)	0.0
Other	(4.7)	(5.8)	(2.7)
Net cash (used in) provided by investing activities	(28.2)	46.8	(25.2)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	3,915.8	1,806.4	1,319.9
Payments on long-term debt	(4,105.2)	(2,176.4)	(1,578.4)
Proceeds on short-term borrowings, net	(36.3)	21.1	17.0
Proceeds from trade accounts receivable credit facility	301.9	106.0	76.8
Payments on trade accounts receivable credit facility	(365.3)	(23.1)	(122.9)
Payments for liabilities held in special purpose entities	0.0	(43.3)	0.0
Dividends paid to Greif, Inc. shareholders	(111.3)	(105.8)	(104.3)
Dividends paid to noncontrolling interests	(17.2)	(7.8)	(13.4)
Payments for debt extinguishment and issuance costs	(20.8)	0.0	0.0
Payments for share repurchases	(71.1)	0.0	0.0
Forward contract for accelerated share repurchases	(15.0)	0.0	0.0
Purchases of redeemable noncontrolling interest	(6.5)	0.0	0.0
Net cash used in financing activities	(531.0)	(422.9)	(405.3)
Reclassification of cash to assets held for sale	0.0	0.5	0.0
Effects of exchange rates on cash	(75.8)	(1.7)	4.4
Net increase in cash and cash equivalents	22.5	18.7	28.6
Cash and cash equivalents at beginning of year	124.6	105.9	77.3
Cash and cash equivalents at end of year	147.1	124.6	105.9
Non-cash transactions:
Capital expenditures included in accounts payable	24.4	38.7	17.2
Schedule of interest and income taxes paid:
Cash payments for interest expense	70.3	104.5	119.9
Cash payments for taxes	$ 157.0	$ 54.7	$ 65.1