Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information (USD $)
12 Months Ended
Feb. 01, 2014
Mar. 27, 2014
Aug. 03, 2013
Document And Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Feb. 01, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Trading Symbol ULTA    
Entity Registrant Name Ulta Salon, Cosmetics & Fragrance, Inc.    
Entity Central Index Key 0001403568    
Current Fiscal Year End Date --02-01    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   64,295,291  
Entity Public Float     $ 4,815,407,000