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Basis of Presentation Schedule of Less than 100% Subsidiaries (Details) | 6 Months Ended
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Mar. 31, 2019 USD ($)
Schedule Of Less Than 100% Owned Subsidiaries [Line Items] |
Business acquisition; headline purchase price | $ 0.825
Equity Method Investee- TNI [Member] |
Schedule Of Less Than 100% Owned Subsidiaries [Line Items] |
Less Than 100% Owned Subsidiaries, Percentage Owned | 50.00%
Equity Method Investee- MNI [Member] |
Schedule Of Less Than 100% Owned Subsidiaries [Line Items] |
Less Than 100% Owned Subsidiaries, Percentage Owned | 50.00%

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- Definition Business acquisition; headline purchase price + References No definition available. + Details
Name: | lee_Businessacquisitionheadlinepurchaseprice
Namespace Prefix: | lee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Less Than 100% Owned Subsidiaries, Percentage Owned- Percentage of the less than 100% owned subsidiary owned by the reporting entity. Includes both equity method investments as well as consolidated subsidiaries. + References No definition available. + Details
Name: | lee_LessThan100OwnedSubsidiariesPercentageOwned
Namespace Prefix: | lee_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Schedule Of Less Than 100% Owned Subsidiaries [Line Items] + References No definition available. + Details
Name: | lee_ScheduleOfLessThan100OwnedSubsidiariesLineItems
Namespace Prefix: | lee_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | lee_LessThan100OwnedSubsidiariesAxis=lee_EquityMethodInvesteeTniMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | lee_LessThan100OwnedSubsidiariesAxis=lee_EquityMethodInvesteeMniMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |