|
Accumulated Other Comprehensive Loss (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Apr. 30, 2013
|
Apr. 30, 2012
|
|
| Beginning balance, Foreign Currency Translation Adjustment | $ (1,857) | |
| Other comprehensive (loss) income, Foreign Currency Translation Adjustment | (1,040) | |
| Ending balance, Foreign Currency Translation Adjustment | (2,897) | |
| Beginning balance, Changes in Fair Value of Availablefor Sale Investments | 31 | |
| Change in fair value on marketable securities, net of tax | 3 | |
| Ending balance, Changes in Fair Value of Availablefor Sale Investments | 34 | |
| Beginning Balance | (1,826) | |
| Other comprehensive (loss) income | (3,022) | (17,955) |
| Ending Balance | $ (2,863) | |