Business and Basis of Presentation (Details)

v2.4.0.6

Business and Basis of Presentation (Details)	Jul. 28, 2012 Store
Business and Basis of Presentation [Line Items]
Number of stores	489
Alabama [Member]
Business and Basis of Presentation [Line Items]
Number of stores	9
Arizona [Member]
Business and Basis of Presentation [Line Items]
Number of stores	23
Arkansas [Member]
Business and Basis of Presentation [Line Items]
Number of stores	3
California [Member]
Business and Basis of Presentation [Line Items]
Number of stores	46
Colorado [Member]
Business and Basis of Presentation [Line Items]
Number of stores	11
Connecticut [Member]
Business and Basis of Presentation [Line Items]
Number of stores	3
Delaware [Member]
Business and Basis of Presentation [Line Items]
Number of stores	1
Florida [Member]
Business and Basis of Presentation [Line Items]
Number of stores	33
Georgia [Member]
Business and Basis of Presentation [Line Items]
Number of stores	20
Idaho [Member]
Business and Basis of Presentation [Line Items]
Number of stores	3
Illinois [Member]
Business and Basis of Presentation [Line Items]
Number of stores	37
Indiana [Member]
Business and Basis of Presentation [Line Items]
Number of stores	9
Iowa [Member]
Business and Basis of Presentation [Line Items]
Number of stores	6
Kansas [Member]
Business and Basis of Presentation [Line Items]
Number of stores	3
Kentucky [Member]
Business and Basis of Presentation [Line Items]
Number of stores	6
Louisiana [Member]
Business and Basis of Presentation [Line Items]
Number of stores	6
Maine [Member]
Business and Basis of Presentation [Line Items]
Number of stores	2
Maryland [Member]
Business and Basis of Presentation [Line Items]
Number of stores	9
Massachusetts [Member]
Business and Basis of Presentation [Line Items]
Number of stores	6
Michigan [Member]
Business and Basis of Presentation [Line Items]
Number of stores	20
Minnesota [Member]
Business and Basis of Presentation [Line Items]
Number of stores	11
Mississippi [Member]
Business and Basis of Presentation [Line Items]
Number of stores	4
Missouri [Member]
Business and Basis of Presentation [Line Items]
Number of stores	7
Montana [Member]
Business and Basis of Presentation [Line Items]
Number of stores	1
Nebraska [Member]
Business and Basis of Presentation [Line Items]
Number of stores	2
Nevada [Member]
Business and Basis of Presentation [Line Items]
Number of stores	6
New Hampshire [Member]
Business and Basis of Presentation [Line Items]
Number of stores	1
New Jersey [Member]
Business and Basis of Presentation [Line Items]
Number of stores	14
New Mexico [Member]
Business and Basis of Presentation [Line Items]
Number of stores	1
New York [Member]
Business and Basis of Presentation [Line Items]
Number of stores	16
North Carolina [Member]
Business and Basis of Presentation [Line Items]
Number of stores	17
North Dakota [Member]
Business and Basis of Presentation [Line Items]
Number of stores	1
Ohio [Member]
Business and Basis of Presentation [Line Items]
Number of stores	15
Oklahoma [Member]
Business and Basis of Presentation [Line Items]
Number of stores	8
Oregon [Member]
Business and Basis of Presentation [Line Items]
Number of stores	5
Pennsylvania [Member]
Business and Basis of Presentation [Line Items]
Number of stores	18
Rhode Island [Member]
Business and Basis of Presentation [Line Items]
Number of stores	1
South Carolina [Member]
Business and Basis of Presentation [Line Items]
Number of stores	7
Tennessee [Member]
Business and Basis of Presentation [Line Items]
Number of stores	7
Texas [Member]
Business and Basis of Presentation [Line Items]
Number of stores	61
Utah [Member]
Business and Basis of Presentation [Line Items]
Number of stores	5
Virginia [Member]
Business and Basis of Presentation [Line Items]
Number of stores	11
Washington [Member]
Business and Basis of Presentation [Line Items]
Number of stores	8
West Virginia [Member]
Business and Basis of Presentation [Line Items]
Number of stores	1
Wisconsin [Member]
Business and Basis of Presentation [Line Items]
Number of stores	5