| Component: (Network and Table) | |
|---|---|
| Network | 4050 - Disclosure - PROPERTY AND EQUIPMENT, NET: (Details) (http://www.amcon.com/role/DisclosurePropertyAndEquipmentNetDetails) |
| Table | Schedule of Property, Plant and Equipment [Table] |
| Reporting Entity [Axis] | 0000928465 (http://www.sec.gov/CIK) |
| PROPERTY AND EQUIPMENT, NET | Period [Axis] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2012-09-30 | 2011-09-30 | |||||||||||||
| Property, Plant and Equipment, Type [Axis] | Property, Plant and Equipment, Type [Axis] | |||||||||||||
| Land [Member] | Building and Building Improvements [Member] | Warehouse Equipment [Member] | Furniture Fixtures and Leasehold Improvements [Member] | Vehicles [Member] | Construction in Progress [Member] | Property, Plant and Equipment, Type [Domain] | Land [Member] | Building and Building Improvements [Member] | Warehouse Equipment [Member] | Furniture Fixtures and Leasehold Improvements [Member] | Vehicles [Member] | Construction in Progress [Member] | Property, Plant and Equipment, Type [Domain] | |
Property and equipment, gross | 648,818 | 9,154,544 | 10,839,751 | 9,545,001 | 2,512,347 | 132,253 | 32,832,714 | 648,818 | 9,148,547 | 10,351,120 | 9,500,450 | 1,878,158 | 96,941 | 31,624,034 |
Less accumulated depreciation and amortization: Buildings and equipment | (19,748,802) | (17,910,796) | ||||||||||||
Property and equipment, net | 13,083,912 | 13,713,238 | ||||||||||||