Business Organization and Summary of Significant Accounting Policies - Description of Business, Fiscal Year, Segment Information (Details)	12 Months Ended
	Jan. 28, 2017 store fanchise segment	Jan. 30, 2016	Jan. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of stores throughout the U.S., U.S. Virgin Islands, Puerto Rico, and Canada | store	1,501
Number of franchise locations in and around Mexico | fanchise	91
Fiscal period duration	364 days	364 days	364 days
Number of reportable segments | segment	1