Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
$ in Billions
12 Months Ended
Dec. 26, 2019
Feb. 18, 2020
Jun. 27, 2019
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 26, 2019    
Entity File Number 001-38070    
Entity Registrant Name Floor & Decor Holdings, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 27-3730271    
Entity Address, Address Line One 2500 Windy Ridge Parkway SE Atlanta, Georgia    
Entity Address, City or Town Atlanta    
Entity Address, Postal Zip Code 30339    
Entity Address, State or Province GA    
City Area Code 404    
Local Phone Number 471-1634    
Title of 12(b) Security Class A Common Stock, $0.001 par value per share    
Trading Symbol FND    
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 Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   101,580,656  
Entity Public Float     $ 2.8
Entity Central Index Key 0001507079    
Amendment Flag false    
Current Fiscal Year End Date --12-26    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2019