XML 39 R27.htm IDEA: XBRL DOCUMENT
v3.22.0.1

POST RETIREMENT BENEFIT PLANS (Tables) | 3 Months Ended
--- | ---
Jan. 31, 2022
Retirement Benefits [Abstract] |
Schedule of Components Of Net Periodic Pension Cost | The components of net periodic pension cost include the following:
| Three Months Ended January 31, |  |
(in millions) | 2022 |  | 2021 |  |  |  |
Service cost | $ | 3.0 |  |  | $ | 3.1 |  |  |  |  |
Interest cost | 5.1 |  |  | 4.5 |  |  |  |  |
Expected return on plan assets | (8.2) |  |  | (7.9) |  |  |  |  |
Amortization of prior service cost | (0.1) |  |  | — |  |  |  |  |
Recognized net actuarial loss | 2.0 |  |  | 3.8 |  |  |  |  |
Net periodic pension cost | $ | 1.8 |  |  | $ | 3.5 |  |  |  |  |

X
- Definition Components of net periodic pension. + References No definition available. + Details
Name: | gef_ComponentsOfNetPeriodicPensionCostTableTextBlock
Namespace Prefix: | gef_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration