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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND BASIS OF PRESENTATION (Details) | 1 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2011 item | Jun. 30, 2012 item squarefeet
Business segment |  |
Number of business segments |  | 2
WHOLESALE SEGMENT |  |
Business segment |  |
Number of retail outlets served |  | 5,000
Number of products sold or distributed |  | 14,000
Rank assigned by Convenience Store News | 6 |
Number of distribution centers |  | 6
Permanent floor space occupied by distribution centers (in square feet) |  | 601,000
RETAIL SEGMENT |  |
Business segment |  |
Number of operating health food retail stores |  | 14
Number of products sold or distributed |  | 30,000
RETAIL SEGMENT | Florida |  |
Business segment |  |
Number of operating health food retail stores |  | 6
RETAIL SEGMENT | Midwest |  |
Business segment |  |
Number of operating health food retail stores |  | 8

X
- Definition Represents the ranking assigned to distribution centers by Convenience Store News. + References No definition available. + Details
Name: | dit_ConvenienceStoreNewsRankingAssigned
Namespace Prefix: | dit_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of distribution centers operated by the entity. + References No definition available. + Details
Name: | dit_NumberOfDistributionCenters
Namespace Prefix: | dit_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of product or services or a group of similar products or similar services, for which the entity reported revenue from customers during the period. + References No definition available. + Details
Name: | dit_NumberOfProducts
Namespace Prefix: | dit_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of retail outlets served. + References No definition available. + Details
Name: | dit_NumberOfRetailOutletsServed
Namespace Prefix: | dit_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of stores. + References No definition available. + Details
Name: | us-gaap_NumberOfStores
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration