SHORT-TERM INVESTMENTS (Tables)

12 Months Ended

Mar. 31, 2017

Investments, Debt and Equity Securities [Abstract]

Schedule of short-term investments

Our short-term investments consisted of the following as of March 31, 2017:

	March 31, 2017
	Cost or Amortized Cost		Gross Unrealized
			Gains		Losses			Fair Value
Short-term investments
Bank time deposits	$	175,745	$	—	$	—		$	175,745
Available-for-sale securities:
Corporate bonds	273,196		226		(235		)	273,187
Total short-term investments	$	448,941	$	226	$	(235	)	$	448,932

	March 31, 2016
	Cost or Amortized Cost		Gross Unrealized
			Gains		Losses			Fair Value
Short-term investments
Bank time deposits	$	265,570	$	—	$	—		$	265,570
Available-for-sale securities:
Corporate bonds	205,166		131		(47		)	205,250
Total short-term investments	$	470,736	$	131	$	(47	)	$	470,820

Summary of the contracted maturities of short-term investments

The following table summarizes the contracted maturities of our short-term investments at March 31, 2017:

	March 31, 2017
	Amortized Cost		Fair Value
Short-term investments
Due in 1 year or less	$	362,259	$	362,338
Due in 1-2 years	86,682		86,594
Total short-term investments	$	448,941	$	448,932