SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cost of Sales and Selling, General & Administrative Expenses (Details)	12 Months Ended
	Jan. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cost Of Sales Description	•        the cost of merchandise acquired from vendors; •        freight in; •        provision for excess and obsolete inventory; •        shipping costs to customers; •        provision for inventory shortages; and •        credits and allowances from our merchandise vendors.
Selling, General and Administrative Expenses Description	•        store payroll and related payroll benefits; •        rent and other store operating expenses; •        advertising and promotional expenses; •        costs associated with operating our distribution network, including costs related to transporting merchandise from distribution centers to stores; •        restructuring charges; and •        other corporate-related expenses.