XML 74 R61.htm IDEA: XBRL DOCUMENT
v3.22.4

Retirement Benefit Plans (Details 4) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Discount rate for other postretirement plan | 5.28% | 2.93%
Discount rate for supplemental pension plans | 4.98% | 2.08%
Minimum [Member] | Pension Benefit Plans and Other Postretirement Benefit Plan [Member] |  |
Discount rate | 5.21% | 2.75%
Maximum [Member] | Pension Benefit Plans and Other Postretirement Benefit Plan [Member] |  |
Discount rate | 5.23% | 2.81%

X
- References No definition available. + Details
Name: | eml_DiscountRateForOtherPostretirementPlan
Namespace Prefix: | eml_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. + References No definition available. + Details
Name: | eml_DiscountRateForSupplementalPensionPlans
Namespace Prefix: | eml_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=eml_PensionBenefitPlansandOtherPostretirementBenefitPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |