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Basis of Presentation Schedule of Less than 100% Subsidiaries (Details) | 12 Months Ended
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Sep. 30, 2018
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%
INN Partners [Member] |
Schedule Of Less Than 100% Owned Subsidiaries [Line Items] |
Less Than 100% Owned Subsidiaries, Percentage Owned | 83.00%

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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: |

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

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