XML 44 R30.htm IDEA: XBRL DOCUMENT
v3.25.2

POST RETIREMENT BENEFIT PLANS (Tables) | 9 Months Ended
--- | ---
Jul. 31, 2025
Retirement Benefits [Abstract] |
Schedule of Components of Net Periodic Pension Cost | The components of net periodic pension cost include the following:
| Three Months Ended July 31, |  | Nine Months Ended July 31,
(in millions) | 2025 |  | 2024 |  | 2025 |  | 2024
Service cost | $ | 1.4 |  |  | $ | 1.5 |  |  | $ | 4.1 |  |  | $ | 4.3 |
Interest cost | 7.7 |  |  | 8.6 |  |  | 23.2 |  |  | 25.9 |
Expected return on plan assets | (9.6) |  |  | (10.8) |  |  | (28.7) |  |  | (32.3) |
Amortization of prior service benefit | — |  |  | — |  |  | (0.1) |  |  | (0.2) |
Recognized net actuarial loss (gain) | 0.1 |  |  | (0.2) |  |  | 0.4 |  |  | (0.7) |
Net periodic pension cost (benefit) | $ | (0.4) |  |  | $ | (0.9) |  |  | $ | (1.1) |  |  | $ | (3.0) |

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