Annual report pursuant to Section 13 and 15(d)

Cover Page

v3.20.4
Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2020
Feb. 22, 2021
Jun. 25, 2020
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-38070    
Entity Registrant Name Floor & Decor Holdings, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 2500 Windy Ridge Parkway SE    
Entity Address, City or Town Atlanta    
Entity Address, State or Province GA    
Entity Tax Identification Number 27-3730271    
Entity Address, Postal Zip Code 30339    
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    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 5.0
Entity Common Stock, Shares Outstanding   104,396,523  
Documents Incorporated by Reference Portions of the Registrant’s proxy statement for the Annual Meeting of Shareholders to be filed pursuant to Regulation 14A of the Exchange Act on or before April 30, 2021, are incorporated by reference into Part III of this Form 10-K. Except as expressly incorporated by reference, the Registrant’s proxy statement shall not be deemed to be part of this report.    
Entity Central Index Key 0001507079    
Amendment Flag false    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2020