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Document and Entity Information Document - USD ($)
 6 Months Ended
Mar. 25, 2018
Apr. 30, 2018
Mar. 26, 2017
Entity Information [Line Items]      
Entity Registrant Name Lee Enterprises, Inc.    
Entity Central Index Key 0000058361    
Current Fiscal Year End Date --09-30    
Entity Filer Category Accelerated Filer    
Document Type 10-Q    
Document Period End Date Mar. 25, 2018    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus Q2    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   57,039,805  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 136,159,000