XML 17 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Cover Page - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Feb. 14, 2025
Jun. 30, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-36097    
Entity Registrant Name GANNETT CO., INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 38-3910250    
Entity Address, Address Line One 175 Sully's Trail    
Entity Address, Address Line Two Suite 203    
Entity Address, City or Town Pittsford,    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 14534-4560    
City Area Code 703    
Local Phone Number 854-6000    
Title of 12(b) Security Common Stock, par value $0.01 per share    
Trading Symbol GCI    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction Flag false    
Entity Shell Company false    
Entity Public Float     $ 648.5
Entity Common Stock, Shares Outstanding   147,369,070  
Documents Incorporated by Reference Certain information in the definitive proxy statement for the registrant's Annual Meeting of Stockholders for 2025, to be filed with the
Securities and Exchange Commission within 120 days after the end of the fiscal year ended December 31, 2024, is incorporated by reference
in Part III to the extent described therein.
    
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001579684