|
Stock-based Compensation Plans and Awards (Details 2) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jul. 31, 2013
|
Jul. 31, 2012
|
Jul. 31, 2013
|
Jul. 31, 2012
|
|
| Stock-based compensation expenses: | ||||
| Total stock-based compensation, recorded in costs and expenses | $ 10,542 | $ 6,037 | $ 17,923 | $ 11,537 |
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Cost of revenue - Other
|
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| Stock-based compensation expenses: | ||||
| Total stock-based compensation, recorded in costs and expenses | 495 | 304 | 951 | 567 |
|
Product development
|
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| Stock-based compensation expenses: | ||||
| Total stock-based compensation, recorded in costs and expenses | 2,525 | 1,185 | 4,288 | 2,171 |
|
Sales and marketing
|
||||
| Stock-based compensation expenses: | ||||
| Total stock-based compensation, recorded in costs and expenses | 5,138 | 2,738 | 9,986 | 5,668 |
|
General and administrative
|
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| Stock-based compensation expenses: | ||||
| Total stock-based compensation, recorded in costs and expenses | $ 2,384 | $ 1,810 | $ 2,698 | $ 3,131 |