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SHORT-TERM INVESTMENTS
 9 Months Ended
Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract]  
SHORT-TERM INVESTMENTS SHORT-TERM INVESTMENTS
Our Short-term investments consisted of the following:
 December 31, 2019
  Gross
Unrealized		 
 Cost or
Amortized Cost		GainsLossesFair Value
Short-term investments    
Bank time deposits$273,000  $—  $—  $273,000  
Available-for-sale securities:    
Corporate bonds302,418  1,049  (7) 303,460  
US Treasuries 16,030  6  (3) 16,033  
US Agencies3,499  —  —  3,499  
Commercial paper103,277  —  —  103,277  
Total Short-term investments$698,224  $1,055  $(10) $699,269  
 
 March 31, 2019
  Gross
Unrealized
 Cost or
Amortized Cost		GainsLossesFair Value
Short-term investments    
Bank time deposits$387,720  $—  $—  $387,720  
Available-for-sale securities:            
Corporate bonds295,526  742  (127) 296,141  
US Treasuries55,656  27  (49) 55,634  
Commercial paper4,990  —  —  4,990  
Total short-term investments$743,892  $769  $(176) $744,485  
Based on our review of investments with unrealized losses, we did not consider these investments to be other-than-temporarily impaired as of December 31, 2019 or March 31, 2019. We do not intend to sell any of our investments with unrealized losses, nor is it more likely than not that we will be required to sell those investments.
The following table summarizes the contracted maturities of our short-term investments at December 31, 2019:
 December 31, 2019
 Amortized
Cost		Fair
Value
Short-term investments  
Due in 1 year or less$576,141  $576,830  
Due in 1 - 2 years122,083  122,439  
Total short-term investments$698,224  $699,269