|
Estimated Amortization Expense Related to Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified |
Apr. 30, 2013
|
|---|---|
| Estimated Amortization Expense | |
| 2013 (remaining six months) | $ 4,534 |
| 2014 | 8,974 |
| 2015 | 8,843 |
| 2016 | 8,572 |
| 2017 | $ 8,466 |