Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Feb. 01, 2020
Mar. 23, 2020
Aug. 02, 2019
Document And Entity Information      
Entity Registrant Name ULTA BEAUTY, INC.    
Document Annual Report true    
Document Transition Report false    
Entity Central Index Key 0001403568    
Document Type 10-K    
Document Period End Date Feb. 01, 2020    
Amendment Flag false    
Current Fiscal Year End Date --02-01    
Entity File Number 001-33764    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 38-4022268    
Entity Address, Address Line One 1000 Remington Blvd.    
Entity Address, Address Line Two Suite 120    
Entity Address, City or Town Bolingbrook    
Entity Address, State or Province IL    
Entity Address, Postal Zip Code 60440    
City Area Code 630    
Local Phone Number 410-4800    
Title of 12(b) Security Common stock, par value $0.01 per share    
Security Exchange Name NASDAQ    
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 Public Float     $ 14,367,080,000
Entity Common Stock, Shares Outstanding   56,309,476  
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Trading Symbol ULTA