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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND BASIS OF PRESENTATION (Details) (USD $) In Billions, unless otherwise specified | 3 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Dec. 31, 2013 item | Oct. 31, 2013 Wholesale distribution business item | Dec. 31, 2013 Wholesale distribution business item sqft | Dec. 31, 2013 Retail stores item | Sep. 30, 2012 Retail stores | Dec. 31, 2013 Retail stores Florida item | Dec. 31, 2013 Retail stores Midwest item
Business segment |  |  |  |  |  |  |
Number of business segments | 2 |  |  |  |  |  |
Company operations |  |  |  |  |  |  |
Number of operating health food retail stores |  |  |  | 16 |  | 6 | 10
Number of retail outlets served |  |  | 4,500 |  |  |  |
Number of products sold or distributed |  |  | 16,000 | 32,000 |  |  |
Rank assigned by Convenience Store News |  | 7 |  |  |  |  |
Number of distribution centers |  |  | 6 |  |  |  |
Floor space occupied by distribution centers (in square feet) |  |  | 602,000 |  |  |  |
Sales increase in natural foods industry according to The Natural Foods Merchandiser |  |  |  |  | $ 80 |  |

X
- Definition Represents the ranking assigned to distribution centers by Convenience Store News. + References No definition available. + Details
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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

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- 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

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

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- Definition Represents the increase in retail sales during the period. + References No definition available. + Details
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Namespace Prefix: | dit_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Area of a real estate property. + References No definition available. + Details
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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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- 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

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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