SEGMENTS AND GEOGRAPHIC INFORMATION (Details) $ in Thousands	3 Months Ended
Apr. 30, 2016 USD ($) item	May. 02, 2015 USD ($)
Segments
Number of reportable segments \| item	1
Net sales	$ 1,158,880	$ 1,077,600
United States
Segments
Net sales	1,063,837	983,260
Canada
Segments
Net sales	$ 95,043	$ 94,340

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Name:	us-gaap_SalesRevenueGoodsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration