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Document and Entity Information (USD $)
 12 Months Ended
Dec. 25, 2011
Jan. 29, 2012
Jun. 24, 2011
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 25, 2011    
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus FY    
Trading Symbol GCI    
Entity Registrant Name GANNETT CO INC /DE/    
Entity Central Index Key 0000039899    
Current Fiscal Year End Date --12-25    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   236,934,167  
Entity Public Float     $ 3,252,839,302