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Stock-Based Compensation (Tables)
 6 Months Ended
Sep. 30, 2020
Stock-Based Compensation [Abstract]  
Unrecognized Compensation Expenses Related to Non-Vested Stock-Based Compensation Awards
As of September 30, 2020, unrecognized compensation expense related to non-vested stock-based compensation awards, which will be amortized over the remaining service periods, was as follows:

 
  
Unrecognized
Compensation
Expense
    
Weighted-Average
Remaining Service
Period in Years
  
Stock options
  
$
1.2
      
2.0
  
Restricted stock awards
    
3.9
      
2.7
  
Performance stock awards
    
0.4
      
1.5
  
Total
  
$
5.5
      
2.5