v3.10.0.1
Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 30, 2018
Mar. 01, 2019
Jun. 29, 2018
Entity Registrant Name MCCLATCHY CO    
Entity Central Index Key 0001056087    
Document Type 10-K    
Document Period End Date Dec. 30, 2018    
Amendment Flag false    
Current Fiscal Year End Date --12-30    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 69.7
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Common Class A      
Entity Common Stock, Shares Outstanding   5,408,396  
Common Class B      
Entity Common Stock, Shares Outstanding   2,428,191