SHORT-TERM INVESTMENTS (Tables)

6 Months Ended

Sep. 30, 2015

SHORT TERM INVESTMENTS

Schedule of short-term investments

	September 30, 2015
			Gross Unrealized
	Cost or Amortized Cost							Fair Value
			Gains		Losses
Short-term investments:
Bank time deposits	$	248,590	$	—	$	—		$	248,590
Available-for-sale securities:
Corporate bonds		104,441		19		(89	)		104,371
Total short-term investments	$	353,031	$	19	$	(89	)	$	352,961

	March 31, 2015
			Gross Unrealized
	Cost or Amortized Cost							Fair Value
			Gains		Losses
Short-term investments:
Bank time deposits	$	87,500	$	—	$	—		$	87,500
Available-for-sale securities:
Corporate bonds		99,454		39		(64	)		99,429
Total short-term investments	$	186,954	$	39	$	(64	)	$	186,929

Summary of the contracted maturities of short-term investments

The following table summarizes the contracted maturities of our short-term investments at September 30, 2015:

	Amortized Cost		Fair Value
Short-term investments:
Due in 1 year or less	$	340,073	$	340,009
Due in 1 - 2 years		12,958		12,952
Total short-term investments	$	353,031	$	352,961