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DIVIDENDS	3 Months Ended
	Dec. 31, 2018
DIVIDENDS
DIVIDENDS	4. DIVIDENDS The Company paid cash dividends on its common stock totaling $0.1 million in each of the three month periods ended December 2018 and December 2017.

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- References

No definition available.

+ Details

Name:	dit_DividendsDisclosureAbstract
Namespace Prefix:	dit_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

This element represents cash dividends paid by the Company.

+ References

No definition available.

+ Details

Name:	dit_DividendsPaidDisclosureTextBlock
Namespace Prefix:	dit_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration