Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.19.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Mar. 08, 2019
Jun. 30, 2018
Entity Registrant Name Legacy Acquisition Corp.    
Entity Central Index Key 0001698113    
Trading Symbol LGC    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Type 10-K    
Document Period End Date Dec. 31, 2018    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2018    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Entity Shell Company true    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Public Float     $ 288
Class A Common Stock      
Entity Common Stock, Shares Outstanding   30,000,000  
Class F Common Stock      
Entity Common Stock, Shares Outstanding   7,500,000