|
Stock-Based Compensation Narrative (Details) (USD $)
|
3 Months Ended |
9 Months Ended |
|
Apr. 30, 2013
|
Apr. 30, 2012
|
Apr. 30, 2013
|
Apr. 30, 2012
|
|
Stock Options
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award |
|
|
|
|
| Cash Received from Exercise of Stock Options |
$ 34,000 |
$ 71,000 |
$ 686,000 |
$ 192,000 |
| Tax Benefit Realized from Exercise of Stock Options |
16,000 |
24,000 |
284,000 |
89,000 |
| Options, Granted (shares) |
|
|
0 |
0 |
|
Restricted Stock
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award |
|
|
|
|
| Restricted Stock Granted, Number (shares) |
|
|
20,000 |
|
|
Directors' Plan | Stock Options
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award |
|
|
|
|
| Number available for grant (shares) |
0 |
|
0 |
|
| Award Vesting Period (Years) |
|
|
1 year |
|
|
2006 Plan
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award |
|
|
|
|
| Number Authorized (shares) |
937,500 |
|
937,500 |
|
|
2006 Plan | Restricted Stock
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award |
|
|
|
|
| Award Vesting Period, Minimum (years) |
|
|
2 years |
|
| Award Vesting Period, Maximum (years) |
|
|
5 years |
|
| Share-based Compensation Expense |
$ 203,000 |
$ 179,000 |
$ 616,000 |
$ 513,000 |
|
2006 Plan - Director Stock Option | Stock Options
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award |
|
|
|
|
| Award Vesting Period (Years) |
|
|
1 year |
|
|
2006 Plan - Employee Stock Options | Stock Options
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award |
|
|
|
|
| Annual Vesting Percentage |
|
|
25.00% |
|
| Number of years after grant date vesting starts (years) |
|
|
2 years |
|
| Number of consecutive years vesting occurs after initial vest date (years) |
|
|
3 years |
|
|
1995 Plan
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award |
|
|
|
|
| Number available for grant (shares) |
0 |
|
0 |
|
|
1995 Plan | Stock Options
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award |
|
|
|
|
| Annual Vesting Percentage |
|
|
25.00% |
|
| Number of years after grant date vesting starts (years) |
|
|
2 years |
|
| Number of consecutive years vesting occurs after initial vest date (years) |
|
|
3 years |
|
|
Common Stock | 2006 Plan | Restricted Stock
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award |
|
|
|
|
| Restricted Stock Granted, Number (shares) |
13,000 |
18,000 |
|
|
|
Common Class B | 2006 Plan | Restricted Stock
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award |
|
|
|
|
| Restricted Stock Granted, Number (shares) |
|
2,000 |
|
|