DIVIDENDS	6 Months Ended
Mar. 31, 2022
DIVIDENDS
DIVIDENDS	5. DIVIDENDS The Company paid cash dividends on its common stock totaling $0.1 million and $3.2 million for the three and six month periods ended March 2022, respectively, and $3.0 million and $3.1 million for the three and six month periods ended March 2021, respectively.

This element represents cash dividends paid by the Company.

No definition available.

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