CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Cash flows from operating activities:
Net income	$ 379.1	$ 394.0	$ 413.2
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	230.6	216.6	234.4
Timberland gains, net	0.0	0.0	(95.7)
Non-cash asset impairment charges	20.3	71.0	8.9
Non-cash pension settlement charges	3.5	0.0	9.1
Gain on disposal of properties, plants and equipment, net	(2.5)	(8.1)	(3.7)
(Gain) loss on disposals of businesses, net	(64.0)	(1.4)	0.2
Unrealized foreign exchange loss (gain)	12.7	(1.6)	1.0
Deferred income tax (benefit) expense	(28.7)	13.4	(47.2)
Debt extinguishment charges	0.0	22.6	0.0
Non-cash lease expense	38.0	35.7	40.0
Other, net	2.2	0.8	(2.4)
Increase (decrease) in cash from changes in certain assets and liabilities, net of impacts from acquisitions:
Trade accounts receivable	130.3	25.1	(247.5)
Inventories	101.0	6.1	(205.6)
Accounts payable	(79.8)	(40.5)	230.4
Restructuring reserves	4.4	(6.6)	(1.4)
Operating leases	(37.3)	(36.9)	(43.5)
Pension and post-retirement benefit liabilities	(26.9)	(24.7)	(11.5)
Other, net	(33.4)	(8.0)	117.3
Net cash provided by operating activities	649.5	657.5	396.0
Cash flows from investing activities:
Acquisitions of companies, net of cash acquired	(542.4)	0.0	0.0
Purchases of properties, plants and equipment	(213.6)	(176.3)	(140.7)
Purchases of and investments in timber properties	(6.0)	(6.7)	(6.6)
Proceeds from the sale of properties, plants, equipment and other assets	8.6	20.3	16.2
Proceeds from the sale of businesses	105.3	139.2	2.7
Proceeds on timberlands	0.0	0.0	145.1
Payments for deferred purchase price of acquisitions	(22.1)	(4.7)	(3.7)
Collections on receivables held in special purpose entities	0.0	0.0	50.9
Payments for issuance of loans receivable	0.0	0.0	(15.0)
Other	0.0	0.0	(2.1)
Net cash (used in) provided by investing activities	(670.2)	(28.2)	46.8
Cash flows from financing activities:
Proceeds from issuance of long-term debt	2,285.6	3,915.8	1,806.4
Payments on long-term debt	(2,028.6)	(4,105.2)	(2,176.4)
(Payments on) proceeds from short-term borrowings, net	(0.7)	(36.3)	21.1
Proceeds from trade accounts receivable credit facility	180.2	301.9	106.0
Payments on trade accounts receivable credit facility	(145.8)	(365.3)	(23.1)
Payments for liabilities held in special purpose entities	0.0	0.0	(43.3)
Dividends paid to Greif, Inc. shareholders	(116.5)	(111.3)	(105.8)
Dividends paid to noncontrolling interests	(14.2)	(17.2)	(7.8)
Payments for debt extinguishment and issuance costs	0.0	(20.8)	0.0
Payments for share repurchases	(63.9)	(71.1)	0.0
Forward contract for accelerated share repurchases	0.0	(15.0)	0.0
Tax withholding payments for stock-based awards	(13.7)	0.0	0.0
Purchases of redeemable and mandatorily redeemable noncontrolling interest	(7.3)	(6.5)	0.0
Other, net	(5.4)	0.0	0.0
Net cash provided by (used in) financing activities	69.7	(531.0)	(422.9)
Reclassification of cash to assets held for sale	0.0	0.0	0.5
Effects of exchange rates on cash	(15.2)	(75.8)	(1.7)
Net increase in cash and cash equivalents	33.8	22.5	18.7
Cash and cash equivalents at beginning of year	147.1	124.6	105.9
Cash and cash equivalents at end of year	180.9	147.1	124.6
Non-cash transactions:
Capital expenditures included in accounts payable	29.1	24.4	38.7
Schedule of interest and income taxes paid:
Cash payments for interest expense	112.9	70.3	104.5
Cash payments for taxes	$ 155.2	$ 157.0	$ 54.7