Organization and Business (Details)	Jan. 28, 2017 item
Organization and Business
Number of stores operated	533
Number of states in which company operates	31

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