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Contingencies (Details) | Dec. 29, 2012
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Contingencies [Abstract] |
Total workforce subject to negotiated union contracts (in hundredths) | 38.00%
Total workforce covered by union contract agreements expiring during 2013 (in hundredths) | 19.00%

X
- Definition Percentage of total workforce covered by union contract agreements that expire during next fiscal year. + References No definition available. + Details
Name: | eml_TotalWorkforceCoveredByUnionContractAgreementsExpiringNextFiscalYear
Namespace Prefix: | eml_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of total workforce subject to negotiated union contracts. + References No definition available. + Details
Name: | eml_TotalWorkforceSubjectToNegotiatedUnionContracts
Namespace Prefix: | eml_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration