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v3.22.1

Condensed Consolidated Unaudited Statements of Shareholders' Equity (Parenthetical) - $ / shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Condensed Consolidated Unaudited Statements of Shareholders' Equity |  |  |  |
Dividends on common stock | $ 0.18 | $ 0.18 | $ 5.36 | $ 5.36

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- Definition Aggregate special dividends declared per share of common stock. + References No definition available. + Details
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Namespace Prefix: | dit_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration