Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
$ in Billions
12 Months Ended
Dec. 27, 2018
Feb. 20, 2019
Jun. 28, 2018
Document and Entity Information      
Entity Registrant Name Floor & Decor Holdings, Inc.    
Entity Central Index Key 0001507079    
Document Type 10-K    
Document Period End Date Dec. 27, 2018    
Amendment Flag false    
Current Fiscal Year End Date --12-27    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer Yes    
Entity Shell Company false    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Public Float     $ 2.3
Entity Common Stock, Shares Outstanding   97,727,273  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2018