Organization (Details)	Sep. 30, 2013 item	Sep. 30, 2012 item	Sep. 30, 2011 item
Organization
Number of retail stores	72	59	49
Colorado
Organization
Number of retail stores	31
Texas
Organization
Number of retail stores	12
Kansas
Organization
Number of retail stores	4
Montana
Organization
Number of retail stores	4
New Mexico
Organization
Number of retail stores	4
Oregon
Organization
Number of retail stores	4
Arizona
Organization
Number of retail stores	3
Nebraska
Organization
Number of retail stores	3
Oklahoma
Organization
Number of retail stores	2
Wyoming
Organization
Number of retail stores	2
Idaho
Organization
Number of retail stores	1
Missouri
Organization
Number of retail stores	1
Utah
Organization
Number of retail stores	1