Summary of Significant Accounting Policies (Description of Business) (Details)	Jan. 30, 2016 USD ($) Stores	Jan. 31, 2015 Stores
Accounting Policies [Abstract]
Products offering price, maximum price \| $	$ 5
Number of States in which Entity Operates	27
Number of operated stores \| Stores	437	366

The number of states the entity operates in as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant