SHORT-TERM INVESTMENTS (Tables)

12 Months Ended

Mar. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Schedule of short-term investments

Our short-term investments consisted of the following as of March 31, 2020:

	March 31, 2020
	Cost or Amortized Cost		Gross Unrealized
			Gains		Losses		Fair Value
Short-term investments
Bank time deposits	$	191,000	$	—	$	—	$	191,000
Available-for-sale securities:
Corporate bonds	337,752		307		(3,428)		334,631
US Treasuries	30,481		338		—		30,819
Commercial paper	87,553		—		—		87,553
Total short-term investments	$	646,786	$	645	$	(3,428)	$	644,003

	March 31, 2019
	Cost or Amortized Cost		Gross Unrealized
			Gains		Losses		Fair Value
Short-term investments
Bank time deposits	$	387,720	$	—	$	—	$	387,720
Available-for-sale securities:
Corporate bonds	295,526		742		(127)		296,141
US Treasuries	55,656		27		(49)		55,634
Commercial paper	4,990		—		—		4,990
Total short-term investments	$	743,892	$	769	$	(176)	$	744,485

Summary of the contracted maturities of short-term investments

The following table summarizes the contracted maturities of our short-term investments at March 31, 2020:

	March 31, 2020
	Amortized Cost		Fair Value
Short-term investments
Due in 1 year or less	$	496,639	$	495,645
Due in 1-2 years	150,147		148,358
Total short-term investments	$	646,786	$	644,003