Document and Entity Information (USD $)	12 Months Ended
	Dec. 28, 2014	Feb. 01, 2015	Jun. 27, 2014
Document Documentand Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 28, 2014
Document Fiscal Year Focus	2014
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	--12-28
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		226,851,543
Entity Public Float			$ 6,921,231,774