Business and basis of presentation (Tables)
|3 Months Ended|
Apr. 30, 2016
|Organization, Consolidation and Presentation of Financial Statements [Abstract]|
|Details of Company Operated Stores||
As of April 30, 2016, the Company operated 886 stores in 48 states and the District of Columbia, as shown in the table below. As used in these notes and throughout this Quarterly Report on Form 10-Q, all references to “we,” “us,” “our,” “Ulta,” “Ulta Beauty” or the “Company” refer to Ulta Salon, Cosmetics & Fragrance, Inc. and its consolidated subsidiaries.