Financing receivable maximum amount under receivable purchase agreement.

No definition available.

Name:	gef_FinancingReceivableMaximumAmountUnderReceivablePurchaseAgreement
Namespace Prefix:	gef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_DomesticLineOfCreditMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

DEBT - Trade Accounts Receivable Credit Facility (Details) $ in Millions	Jan. 31, 2025 USD ($)	Jan. 31, 2025 EUR (€)	Oct. 31, 2024 USD ($)	May 17, 2024 USD ($)
Debt Instrument [Line Items]
Long-term debt	$ 2,524.3		$ 2,729.1
Accounts receivable credit facilities
Debt Instrument [Line Items]
Long-term debt	$ 0.0		357.9
United States Trade Accounts receivable credit facilities
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 300.0
Weighted average interest rate	5.58%	5.58%
United States Trade Accounts receivable credit facilities \| Accounts receivable credit facilities
Debt Instrument [Line Items]
Long-term line of credit	$ 228.4		273.7
International Trade Accounts Receivable Credit Facilities
Debt Instrument [Line Items]
Weighted average interest rate	4.32%	4.32%
International Trade Accounts Receivable Credit Facilities \| European RPA
Debt Instrument [Line Items]
Financing receivable maximum amount under receivable purchase agreement	$ 104.2	€ 100,000,000.0
International Trade Accounts Receivable Credit Facilities \| Foreign Line of Credit \| European RPA
Debt Instrument [Line Items]
Long-term debt	$ 77.8		$ 84.2