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v3.20.1

Note 13 - Commitments and Contingent Liabilities (Details Textual) | 3 Months Ended
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Mar. 29, 2020
CWA/ITU Plan [Member] | Pension Plan [Member] |
Multiemployer Plans, Withdrawal Obligation, Period (Year) | 20 years

X
- Definition The period of time in which an obligation recognized by withdrawing from a pension or postretirement benefit plan will be paid. + References No definition available. + Details
Name: | lee_MultiemployerPlansWithdrawalObligationPeriod
Namespace Prefix: | lee_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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