XML 113 R99.htm IDEA: XBRL DOCUMENT v3.25.3

Cybersecurity Incident (Details) - Cybersecurity Incident $ in Millions	12 Months Ended
	Sep. 28, 2025 USD ($)
Unusual or Infrequent Item, or Both [Line Items]
Incident related costs, gross	$ 10.5
Insurance deductible	0.5
Insurance claim amount	10.0
Insurance proceeds	2.0
Restructuring and Other
Unusual or Infrequent Item, or Both [Line Items]
Incident related costs, gross	3.7
Other Expense
Unusual or Infrequent Item, or Both [Line Items]
Incident related costs, gross	$ 6.8

X

- Definition

Unusual Or Infrequent Items, Or Both, Insurance Claim, Amount

+ References

No definition available.

+ Details

Name:	lee_UnusualOrInfrequentItemsOrBothInsuranceClaimAmount
Namespace Prefix:	lee_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Unusual Or Infrequent Items, Or Both, Insurance Deductible

+ References

No definition available.

+ Details

Name:	lee_UnusualOrInfrequentItemsOrBothInsuranceDeductible
Namespace Prefix:	lee_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of insurance proceeds for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483613/220-20-50-1

+ Details

Name:	us-gaap_UnusualOrInfrequentItemInsuranceProceeds
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_UnusualOrInfrequentItemLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount, before deduction of insurance proceeds, of loss recognized in the income statement for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483613/220-20-50-1

+ Details

Name:	us-gaap_UnusualOrInfrequentItemLossGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_UnusualOrInfrequentItemAxis=lee_CybersecurityIncidentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_RestructuringChargesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_OtherExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: