CASH, CASH EQUIVALENTS, AND INVESTMENTS (Tables)

6 Months Ended

Sep. 30, 2019

CASH, CASH EQUIVALENTS AND INVESTMENTS [Abstract]

Cash, Cash Equivalents, and Investments

The following tables summarize the Company’s cash and available-for-sale securities’ amortized cost, gross unrealized gains, gross unrealized losses, and fair value by significant investment category recorded as cash and cash equivalents, short-term, or long-term investments as of September 30, 2019 and March 31, 2019 (in thousands):

September 30, 2019	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash & Cash Equivalents		Short-term investments  (due in 1 year or less)
Cash	$	186,442	$	—	$	—		$	186,442	$	186,442	$	—
Level 1:
Mutual Funds	14,100		361		(83		)	14,378		—		14,378
Total cash, cash equivalents and investments measured at fair value	$	200,542	$	361	$	(83	)	$	200,820	$	186,442	$	14,378

March 31, 2019	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash & Cash Equivalents		Short-term investments (due in 1 year or less)
Cash	$	202,509	$	—	$	—		$	202,509	$	202,509	$	—
Level 1:
Mutual Funds	13,420		197		(285		)	13,332		—		13,332
Total cash, cash equivalents and investments measured at fair value	$	215,929	$	197	$	(285	)	$	215,841	$	202,509	$	13,332