Note 14 - Common Stock (Details Textual)
shares in Thousands |
3 Months Ended |
6 Months Ended |
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|
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Apr. 30, 2018
shares
|
Apr. 30, 2018
shares
|
Dec. 05, 2008 |
Aug. 15, 2008 |
Aug. 04, 2008 |
Jul. 03, 2001
shares
|
| Common Stock Dividends Percent of Increase from Class A to Class B |
110.00%
|
110.00%
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|
|
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| Conversion of Stock From Class B to Class A Conversion Ratio |
|
1
|
|
|
|
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| Shareholder Ownership Percentage of Increase |
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|
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|
50.00%
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| Minimum [Member] |
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| Shareholder Ownership Percentage |
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|
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|
5.00%
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| Common Class A [Member] |
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|
|
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| Common Stock Voting Rights Votes per Share Number |
|
1
|
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|
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| Shareholder Ownership Percentage |
|
|
|
4.90%
|
|
|
| Number of Rights |
|
|
|
1
|
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| Shareholders Pre Existing Ownership Percentage |
|
|
5.00%
|
|
|
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| Shareholders Current Ownership Percentage |
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|
5.00%
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|
|
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| Shareholders Ownership Percentage on Transfers |
|
|
5.00%
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| Shareholders Ownership Percentage Threshold |
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|
5.00%
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| Stock Repurchase Program, Number of Shares Authorized to be Repurchased |
|
|
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|
4,000
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| Stock Repurchased During Period, Shares |
0
|
0
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|
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| Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased |
500
|
500
|
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| Common Class B [Member] |
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| Common Stock Voting Rights Votes per Share Number |
|
10
|
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