|
Goodwill and Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended |
|---|---|
|
Apr. 30, 2013
|
|
| Balance at January 31, 2013 | $ 45,103 |
| Cumulative translation adjustment | (823) |
| Balance at April 30, 2013 | $ 44,280 |