|
Employee benefit plan (Detail) - Schedule of contributions plan (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Jul. 31, 2011
|
Jul. 31, 2010
|
Jul. 31, 2009
|
|
| Contributions | $ 483,000 | $ 480,000 | $ 408,000 |
| X | ||||||||||
|
- Definition
Amount of discretionary contributions made by an employer to a defined contribution plan. No definition available.
|