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Stock Plans (Tables)
 12 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
The following summarizes the activity for our stock incentive plans from March 31, 2018 to March 31, 2021:
 
OptionsNumber of
Options		Weighted-
Average
Exercise Price		Weighted-
Average
Remaining
Contractual
Term (Years)		Aggregate
Intrinsic
Value
Outstanding at March 31, 20201,904 60.03 
Options granted— — 
Options exercised(257)41.68 
Options forfeited— — 
Options expired(290)66.79 
Outstanding at March 31, 20211,357 $62.06 2.12$13,711 
Exercisable at March 31, 20211,357 $62.06 2.12$13,711 
Schedule of Restricted Stock Unit Activity
Restricted stock unit activity is as follows:
 
Non-Vested Restricted Stock UnitsNumber
of
Awards		Weighted-
Average
Grant Date
Fair Value
Non-vested as of March 31, 20203,237 50.47 
Granted2,096 42.04 
Vested(1,585)51.32 
Forfeited(297)51.76 
Non-vested as of March 31, 20213,451 $44.90 
Stock-Based Compensation Expense
The following table presents the stock-based compensation expense included in Cost of services revenue, Sales and marketing, Research and development and General and administrative expenses for the years ended March 31, 2021, 2020 and 2019.
 Year Ended March 31,
 202120202019
Cost of services revenue$3,317 $2,604 $2,922 
Sales and marketing35,577 31,779 34,874 
Research and development24,823 14,594 8,601 
General and administrative18,369 15,158 31,458 
Restructuring2,747 1,753 2,632 
Stock-based compensation expense$84,833 $65,888 $80,487