| Compensation and Retirement Disclosure [Abstract] | Period [Axis] |
|---|
2015-11-01 - 2016-10-31 |
|---|
Compensation and Retirement Disclosure [Abstract] | |
Schedule of Other Share-based Compensation, Activity [Table Text Block] | Information concerning share-based activity pertaining to the 401(k) Plan for each of the last three fiscal years ended October 31 is as follows (in thousands): | | | | | | | | Common Stock | | Class A Common Stock | Shares available for issuance as of October 31, 2013 | 125 |
| | 125 |
| Issuance of common stock to 401(k) Plan | (57 | ) | | (57 | ) | Shares available for issuance as of October 31, 2014 | 68 |
| | 68 |
| Issuance of common stock to 401(k) Plan | (54 | ) | | (54 | ) | Shares available for issuance as of October 31, 2015 | 14 |
| | 14 |
| Shares registered for issuance to the 401(k) Plan | 300 |
| | 300 |
| Issuance of common stock to 401(k) Plan | (62 | ) | | (62 | ) | Shares available for issuance as of October 31, 2016 | 252 |
| | 252 |
|
|
Schedule of Changes in Projected Benefit Obligations [Table Text Block] | Changes in the Plan's projected benefit obligation and plan assets during fiscal 2016 and 2015 are as follows (in thousands): | | | | | Change in projected benefit obligation: | | Projected benefit obligation as of October 31, 2014 |
| $13,815 |
| Actuarial loss | 716 |
| Interest cost | 561 |
| Benefits paid | (924 | ) | Projected benefit obligation as of October 31, 2015 | 14,168 |
| Actuarial loss | 655 |
| Interest cost | 613 |
| Benefits paid | (925 | ) | Projected benefit obligation as of October 31, 2016 |
| $14,511 |
| | | Change in plan assets: | | Fair value of plan assets as of October 31, 2014 |
| $11,359 |
| Actual return on plan assets | 254 |
| Employer contributions | 78 |
| Benefits paid | (924 | ) | Fair value of plan assets as of October 31, 2015 | 10,767 |
| Actual return on plan assets | 263 |
| Employer contributions | 405 |
| Benefits paid | (925 | ) | Fair value of plan assets as of October 31, 2016 |
| $10,510 |
| | | Funded status as of October 31, 2015 |
| ($3,401 | ) | Funded status as of October 31, 2016 |
| ($4,001 | ) |
|
Schedule of Assumptions Used [Table Text Block] | Weighted average assumptions used to determine the projected benefit obligation are as follows: | | | | | | | | As of October 31, | | 2016 | | 2015 | Discount rate | 3.99 | % | | 4.47 | % |
Weighted average assumptions used to determine net pension income are as follows: | | | | | | | | | | | Year ended October 31, | | 2016 | | 2015 | | 2014 | Discount rate | 4.47 | % | | 4.20 | % | | 4.79 | % | Expected return on plan assets | 6.75 | % | | 6.75 | % | | 6.75 | % |
|
Schedule of Net Benefit Costs [Table Text Block] | Components of net pension income that were recorded within the Company's Consolidated Statements of Operations are as follows (in thousands): | | | | | | | | | | | | | | Year ended October 31, | | 2016 | | 2015 | | 2014 | Expected return on plan assets |
| $702 |
| |
| $738 |
| |
| $739 |
| Interest cost | 613 |
| | 561 |
| | 610 |
| Net pension income |
| $89 |
| |
| $177 |
| |
| $129 |
|
|
Schedule of Expected Benefit Payments [Table Text Block] | Estimated future benefit payments to be made during each of the next five fiscal years and in aggregate during the succeeding five fiscal years are as follows (in thousands): | | | | | Year ending October 31, | | 2017 |
| $921 |
| 2018 | 895 |
| 2019 | 925 |
| 2020 | 926 |
| 2021 | 904 |
| 2022-2026 | 4,424 |
|
|
Schedule of Allocation of Plan Assets [Table Text Block] | The fair value of the Plan's assets are set forth by level within the fair value hierarchy in the following tables (in thousands): | | | | | | | | | | | | | | | | | | As of October 31, 2016 | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | Significant Other Observable Inputs (Level 2) | | Significant Unobservable Inputs (Level 3) | | Total | Fixed income securities |
| $5,219 |
| |
| $— |
| |
| $— |
| |
| $5,219 |
| Equity securities | 5,149 |
| | — |
| | — |
| | 5,149 |
| Money market funds and cash | 142 |
| | — |
| | — |
| | 142 |
| |
| $10,510 |
| |
| $— |
| |
| $— |
| |
| $10,510 |
|
| | | | | | | | | | | | | | | | | | As of October 31, 2015 | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | Significant Other Observable Inputs (Level 2) | | Significant Unobservable Inputs (Level 3) | | Total | Fixed income securities |
| $5,372 |
| |
| $— |
| |
| $— |
| |
| $5,372 |
| Equity securities | 5,280 |
| | — |
| | — |
| | 5,280 |
| Money market funds and cash | 115 |
| | — |
| | — |
| | 115 |
| |
| $10,767 |
| |
| $— |
| |
| $— |
| |
| $10,767 |
|
Fixed income securities consist of investments in mutual funds. Equity securities consist of investments in common stocks, mutual funds and exchange traded funds.
The Plan's actual and targeted asset allocations by investment category are as follows: | | | | | | | | | | | | | | As of October 31, | | 2016 | | 2015 | | Actual | | Target | | Actual | | Target | Fixed income securities | 50 | % | | 50 | % | | 50 | % | | 50 | % | Equity securities | 49 | % | | 50 | % | | 49 | % | | 50 | % | Money market funds and cash | 1 | % | | — | % | | 1 | % | | — | % | | 100 | % | | 100 | % | | 100 | % | | 100 | % |
|