Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details 2)

v2.4.0.8
Stock-Based Compensation (Details 2)
 6 Months Ended 6 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Sep. 30, 2013
Stock options
Mar. 31, 2013
Stock options
Sep. 30, 2013
Restricted stock units
Mar. 31, 2013
Restricted stock units
Sep. 30, 2013
Restricted stock units
Senior vice president of customer service
Sep. 30, 2013
1993 Incentive Stock Plan and 2000 Equity Incentive Plan
Sep. 30, 2013
1993 Plan
Sep. 30, 2013
2000 Plan
Sep. 30, 2013
Non-qualified stock options
Sep. 30, 2013
Non-qualified stock options
Non-qualified stock options issued prior to Fiscal 2008
Sep. 30, 2012
Non-qualified stock options
Stock options
Jun. 30, 2011
Non-qualified stock options
Stock options
Sep. 30, 2013
Non-qualified stock options
Stock options
President and chief executive officer
Sep. 30, 2013
Non-qualified stock options
Stock options
Executive vice president of sales and marketing
Sep. 30, 2013
Non-qualified stock options
Stock options
Senior vice president of program management
Sep. 30, 2013
Non-qualified stock options
Stock options
Senior vice president of human resources
Sep. 30, 2013
Non-qualified stock options
Stock options
Senior vice president of customer service
Stock-Based Compensation                                  
Number of shares of common stock reserved for issuance           18,980,000 7,800,000 11,180,000                  
Options outstanding (in shares) 13,356,117 11,791,765             3,550,000                
Options granted (in shares) 1,665,200                 3,050,000 250,000 250,000 2,000,000 850,000 250,000 200,000 250,000
Restricted stock units outstanding (in shares)     2,023,082 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