Quarterly report pursuant to Section 13 or 15(d)

Cover page

v3.21.2
Cover page - shares
 9 Months Ended
Sep. 30, 2021
Nov. 01, 2021
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2021  
Document Transition Report false  
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  
Entity Address, City or Town Atlanta,  
Entity Address, State or Province GA  
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 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   105,591,567
Entity Central Index Key 0001507079  
Amendment Flag false  
Current Fiscal Year End Date --12-30  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2021