CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Cash flows from operating activities:
Net income	$ 305.8	$ 291.4
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	169.4	165.4
Non-cash asset impairment charges	3.4	63.1
Gain on disposals of properties, plants and equipment, net	(3.3)	(8.1)
Gain on disposals of businesses, net	(64.1)	(4.2)
Unrealized foreign exchange loss (gain)	3.5	(4.2)
Deferred income tax benefit	(0.9)	(5.1)
Debt extinguishment charges	0.0	22.6
Non-cash lease expense	34.9	26.8
Other, net	(0.3)	1.0
Increase (decrease) in cash from changes in certain assets and liabilities, net of impacts from acquisitions:
Trade accounts receivable	109.5	(82.7)
Inventories	49.9	(63.3)
Accounts payable	(65.6)	46.6
Restructuring reserves	3.8	(6.3)
Operating leases	(34.5)	(27.6)
Pension and post-retirement benefit liabilities	(26.4)	(29.2)
Other, net	(39.1)	(15.3)
Net cash provided by operating activities	446.0	370.9
Cash flows from investing activities:
Purchases of business, net of cash acquired	(447.5)	0.0
Purchases of properties, plants and equipment	(136.4)	(112.2)
Purchases of and investments in timber properties	(4.4)	(4.6)
Payments for deferred purchase price of acquisitions	(21.7)	(4.7)
Proceeds from the sale of properties, plants, equipment and other assets	8.0	17.0
Proceeds from the sale of businesses	105.3	139.2
Net cash (used in) provided by investing activities	(496.7)	34.7
Cash flows from financing activities:
Proceeds from issuance of long-term debt	1,915.1	3,492.2
Payments on long-term debt	(1,640.2)	(3,645.2)
Payments on short-term borrowings, net	(4.6)	(21.2)
Proceeds from trade accounts receivable credit facility	108.9	301.9
Payments on trade accounts receivable credit facility	(136.1)	(277.1)
Dividends paid to Greif, Inc. shareholders	(86.7)	(82.0)
Dividends paid to noncontrolling interests	(6.1)	(10.6)
Payments for debt extinguishment and issuance costs	0.0	(20.8)
Payments for share repurchases	(63.9)	(60.0)
Forward contract for accelerated share repurchases	0.0	(15.0)
Tax withholding payments for stock-based awards	(13.7)	0.0
Purchases of redeemable noncontrolling interest	(3.3)	(6.0)
Other, net	(7.4)	0.0
Net cash provided by (used in) financing activities	62.0	(343.8)
Effects of exchange rates on cash	(0.7)	(58.9)
Net increase in cash and cash equivalents	10.6	2.9
Cash and cash equivalents at beginning of period	147.1	124.6
Cash and cash equivalents at end of period	$ 157.7	$ 127.5