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Stockholders' Equity (Details 2)
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12 Months Ended | 12 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
Mar. 31, 2012
|
Mar. 31, 2014
Stock options
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Mar. 31, 2013
Stock options
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Mar. 31, 2014
Restricted stock units
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Mar. 31, 2013
Restricted stock units
|
Mar. 31, 2014
Restricted stock units
Senior vice president of customer service
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Mar. 31, 2014
2000 Plan
|
Mar. 31, 2014
Non-qualified stock options
|
Mar. 31, 2014
Non-qualified stock options
Non-qualified stock options issued prior to Fiscal 2008
|
Sep. 30, 2012
Non-qualified stock options
Stock options
|
Mar. 31, 2012
Non-qualified stock options
Stock options
|
Mar. 31, 2014
Non-qualified stock options
Stock options
President and chief executive officer
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Mar. 31, 2014
Non-qualified stock options
Stock options
Executive vice president of sales and marketing
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Mar. 31, 2014
Non-qualified stock options
Stock options
Senior vice president of program management
|
Mar. 31, 2014
Non-qualified stock options
Stock options
Senior vice president of customer service
|
Mar. 31, 2014
Non-qualified stock options
Stock options
Senior vice president of human resources
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| Stockholders' equity | ||||||||||||||||||
| Number of shares of common stock reserved for issuance | 27,980,000 | |||||||||||||||||
| Number of shares available for future grant | 4,282,979 | |||||||||||||||||
| Options outstanding (in shares) | 12,900,000 | 11,800,000 | 10,000,000 | 12,851,688 | 11,791,765 | 3,550,000 | ||||||||||||
| Options granted (in shares) | 1,665,200 | 3,050,000 | 250,000 | 250,000 | 2,000,000 | 850,000 | 250,000 | 250,000 | 200,000 | |||||||||
| Restricted stock units outstanding (in shares) | 2,100,000 | 1,500,000 | 1,100,000 | 2,061,224 | 1,467,096 | 46,875 | ||||||||||||
| Portion vesting one year after the issuance date (as a percent) | 25.00% | |||||||||||||||||
| Portion vesting on first day of each month after one year from the issuance date (as a percent) | 2.083% | |||||||||||||||||
| Vesting period of awards after issuance date | 1 year | |||||||||||||||||
| Vesting period after one year of grant | 48 months | |||||||||||||||||
| Vesting period | 4 years | |||||||||||||||||
| Contractual term | 10 years | |||||||||||||||||