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v3.20.2

Note 1 - Significant Accounting Policies - Intangible Assets Amortization Period (Details) | 12 Months Ended
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Sep. 27, 2020
Minimum [Member] | Customer Lists [Member] |
Intangible Assets, useful life (Year) | 10 years
Minimum [Member] | Newspaper Subscriber Lists [Member] |
Intangible Assets, useful life (Year) | 10 years
Maximum [Member] | Customer Lists [Member] |
Intangible Assets, useful life (Year) | 23 years
Maximum [Member] | Newspaper Subscriber Lists [Member] |
Intangible Assets, useful life (Year) | 33 years

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
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_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerListsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=lee_NewspaperSubscriberListsMember
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: |