CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Cash flows from operating activities:
Net income	$ 209.1	$ 145.3
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	111.7	114.0
Non-cash asset impairment charges	1.8	62.4
Gain on disposals of properties, plants and equipment, net	(5.0)	(1.7)
Gain on disposals of businesses, net	(64.4)	(4.2)
Unrealized foreign exchange loss (gain)	4.2	(5.1)
Deferred income tax expense	1.6	1.1
Debt extinguishment charges	0.0	22.6
Non-cash lease expense	23.2	15.1
Other, net	(0.4)	0.7
Increase (decrease) in cash from changes in certain assets and liabilities, net of impacts from acquisitions:
Trade accounts receivable	66.0	(87.4)
Inventories	38.6	(56.2)
Accounts payable	(66.9)	22.4
Restructuring reserves	(0.3)	(4.9)
Operating leases	(23.4)	(16.0)
Pension and post-retirement benefit liabilities	(14.8)	(19.8)
Other, net	(37.3)	(26.7)
Net cash provided by operating activities	243.7	161.6
Cash flows from investing activities:
Purchases of business, net of cash acquired	(447.5)	0.0
Purchases of properties, plants and equipment	(91.1)	(75.0)
Purchases of and investments in timber properties	(3.2)	(5.1)
Payments for deferred purchase price of acquisitions	(21.7)	(4.7)
Proceeds from the sale of properties, plants, equipment and other assets	6.9	8.3
Proceeds from the sale of businesses	105.6	139.2
Net cash (used in) provided by investing activities	(451.0)	62.7
Cash flows from financing activities:
Proceeds from issuance of long-term debt	1,252.0	3,026.5
Payments on long-term debt	(919.5)	(3,122.7)
Payments on short-term borrowings, net	(4.0)	(16.1)
Proceeds from trade accounts receivable credit facility	86.6	1.9
Payments on trade accounts receivable credit facility	(53.9)	(1.9)
Dividends paid to Greif, Inc. shareholders	(57.9)	(54.6)
Dividends paid to noncontrolling interests	(4.9)	(9.4)
Payments for debt extinguishment and issuance costs	0.0	(20.8)
Payments for share repurchases	(59.6)	0.0
Tax withholding payments for stock-based awards	(13.7)	0.0
Purchases of redeemable noncontrolling interest	(3.3)	0.0
Other, net	(6.2)	0.0
Net cash provided by (used in) financing activities	215.6	(197.1)
Effects of exchange rates on cash	3.1	(43.1)
Net increase (decrease) in cash and cash equivalents	11.4	(15.9)
Cash and cash equivalents at beginning of period	147.1	124.6
Cash and cash equivalents at end of period	$ 158.5	$ 108.7