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Capital Stock, Earnings Per Share And Stock Issuance Capital Stock, Earnings Per Share And Stock Issuance (Details) shares in Millions | 12 Months Ended
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Nov. 30, 2021 $ / shares shares
Class of Stock [Line Items] |
Maximum percentage of votes a holder of shares of Common Stock may cast out of the votes entitled to be cast by all holders of shares of Common Stock | 10.00%
Common stock, par value (usd per share) | $ / shares | $ 0.01
Minimum [Member] |
Class of Stock [Line Items] |
Minimum percentage a holder must acquire of each class of common stock not to be subject to our redemption rights | 90.00%
Minimum percentage of votes a holder must control out of the votes entitled to be cast by all holders of shares of Common Stock to trigger the automatic conversion, on a share-for-share basis, of all shares of Common Stock Non-Voting into shares of Common Stock | 50.00%
Common stock, shares authorized | 320.0
Maximum [Member] |
Class of Stock [Line Items] |
Common stock, shares authorized | 640.0

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