XML 63 R49.htm IDEA: XBRL DOCUMENT
v3.25.2

Retirement Benefit Plans (Details 1) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 28, 2025 | Jun. 29, 2024 | Jun. 28, 2025 | Jun. 29, 2024
Total contributions for the period | $ 345,834 | $ 386,830 | $ 784,830 | $ 812,189
Regular Matching Contributions [Member] |  |  |  |
Total contributions for the period | 239,797 | 261,993 | 546,436 | 547,556
Transitional Credit Contributions [Member] |  |  |  |
Total contributions for the period | 18,622 | 21,964 | 42,487 | 50,870
Non-Discretionary Contributions [Member] |  |  |  |
Total contributions for the period | $ 87,415 | $ 102,873 | $ 195,907 | $ 213,763

X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RetirementPlanNameAxis=eml_RegularMatchingContributionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanNameAxis=eml_TransitionalCreditContributionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanNameAxis=eml_NonDiscretionaryContributionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |