Property and Equipment (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 01, 2015	Feb. 02, 2014
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,269,477us-gaap_PropertyPlantAndEquipmentGross	$ 2,231,768us-gaap_PropertyPlantAndEquipmentGross
New Inventory And Order Management System Currently Under Development
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 56,800	$ 40,100

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_PropertyPlantAndEquipmentGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant