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v3.21.4

Condensed Consolidated Unaudited Statements of Shareholders' Equity (Parenthetical) - $ / shares | 3 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Condensed Consolidated Unaudited Statements of Shareholders' Equity |  |
Dividends on common stock | $ 5.18 | $ 5.18

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

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