Quarterly report pursuant to Section 13 or 15(d)

Business and Basis of Presentation - Details of Company Operated Stores (Detail)

v3.3.0.814
Business and Basis of Presentation - Details of Company Operated Stores (Detail)
Oct. 31, 2015
Store
Product Information [Line Items]  
Number of stores 860
Alabama [Member]  
Product Information [Line Items]  
Number of stores 13
Alaska [Member]  
Product Information [Line Items]  
Number of stores 3
Arizona [Member]  
Product Information [Line Items]  
Number of stores 24
Arkansas [Member]  
Product Information [Line Items]  
Number of stores 6
California [Member]  
Product Information [Line Items]  
Number of stores 101
Colorado [Member]  
Product Information [Line Items]  
Number of stores 18
Connecticut [Member]  
Product Information [Line Items]  
Number of stores 10
Delaware [Member]  
Product Information [Line Items]  
Number of stores 2
Florida [Member]  
Product Information [Line Items]  
Number of stores 59
Georgia [Member]  
Product Information [Line Items]  
Number of stores 27
Idaho [Member]  
Product Information [Line Items]  
Number of stores 6
Illinois [Member]  
Product Information [Line Items]  
Number of stores 46
Indiana [Member]  
Product Information [Line Items]  
Number of stores 16
Iowa [Member]  
Product Information [Line Items]  
Number of stores 8
Kansas [Member]  
Product Information [Line Items]  
Number of stores 7
Kentucky [Member]  
Product Information [Line Items]  
Number of stores 10
Louisiana [Member]  
Product Information [Line Items]  
Number of stores 16
Maine [Member]  
Product Information [Line Items]  
Number of stores 3
Maryland [Member]  
Product Information [Line Items]  
Number of stores 14
Massachusetts [Member]  
Product Information [Line Items]  
Number of stores 13
Michigan [Member]  
Product Information [Line Items]  
Number of stores 38
Minnesota [Member]  
Product Information [Line Items]  
Number of stores 12
Mississippi [Member]  
Product Information [Line Items]  
Number of stores 6
Missouri [Member]  
Product Information [Line Items]  
Number of stores 16
Montana [Member]  
Product Information [Line Items]  
Number of stores 5
Nebraska [Member]  
Product Information [Line Items]  
Number of stores 3
Nevada [Member]  
Product Information [Line Items]  
Number of stores 11
New Hampshire [Member]  
Product Information [Line Items]  
Number of stores 6
New Jersey [Member]  
Product Information [Line Items]  
Number of stores 22
New Mexico [Member]  
Product Information [Line Items]  
Number of stores 4
New York [Member]  
Product Information [Line Items]  
Number of stores 31
North Carolina [Member]  
Product Information [Line Items]  
Number of stores 25
North Dakota [Member]  
Product Information [Line Items]  
Number of stores 2
Ohio [Member]  
Product Information [Line Items]  
Number of stores 33
Oklahoma [Member]  
Product Information [Line Items]  
Number of stores 10
Oregon [Member]  
Product Information [Line Items]  
Number of stores 11
Pennsylvania [Member]  
Product Information [Line Items]  
Number of stores 32
Rhode Island [Member]  
Product Information [Line Items]  
Number of stores 2
South Carolina [Member]  
Product Information [Line Items]  
Number of stores 15
South Dakota [Member]  
Product Information [Line Items]  
Number of stores 2
Tennessee [Member]  
Product Information [Line Items]  
Number of stores 15
Texas [Member]  
Product Information [Line Items]  
Number of stores 82
Utah [Member]  
Product Information [Line Items]  
Number of stores 11
Virginia [Member]  
Product Information [Line Items]  
Number of stores 23
Washington [Member]  
Product Information [Line Items]  
Number of stores 19
West Virginia [Member]  
Product Information [Line Items]  
Number of stores 5
Wisconsin [Member]  
Product Information [Line Items]  
Number of stores 16
Wyoming [Member]  
Product Information [Line Items]  
Number of stores 1