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Shareholders' Equity - Narrative (Details) | 12 Months Ended
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Aug. 26, 2017 vote shares
Common Stock |
Class of Stock [Line Items] |
Voting rights | 1
Dividend rate | 125.00%
Class B Common Stock |
Class of Stock [Line Items] |
Voting rights | 10
Number of shares converted (in shares) | shares | 34,000

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