XML 20 R50.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock-Based Compensation (Details Textual) (USD $)
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2013
Jun. 30, 2013
Dec. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Mar. 31, 2013
Stock Based Compensation (Textual) [Abstract]            
Weighted average grant-date fair value per share of the restricted stock units awarded $ 9.84   $ 6.13 $ 8.57 $ 5.71  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Forfeiture Rate   6.70%       6.60%
Unearned stock-based compensation $ 21,700,000     $ 21,700,000    
Weighted-average period over which the unearned stock-based compensation is expected to be recognized, years       1 year 7 months 18 days    
Stock-based compensation expense excluding acceleration of Veloce warrants 5,882,000   6,222,000 13,430,000 21,545,000  
Stock-based compensation expense related to the acceleration of Veloce warrants       0 1,289,000  
Veloce Technologies Inc [Member]
           
Stock Based Compensation (Textual) [Abstract]            
Stock-based compensation expense related to the acceleration of Veloce warrants       $ 1,300,000 $ 1,300,000