FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Schedule of Financial Assets and Liabilities

The following tables present the Company's financial assets and liabilities measured on a recurring basis using the fair value hierarchy at September 30, 2019 and March 31, 2019 (in thousands):

	Fair Value Measurements at
	September 30, 2019
	Level 1		Level 2			Level 3			Total
ASSETS:
Cash and cash equivalents	$	245,064	$	—		$	—		$	245,064
U.S. government and municipal obligations	33,280					—			33,280
Commercial paper	—		25,289			—			25,289
Corporate bonds	4,190		—			—			4,190
Derivative financial instruments	—		37			—			37
Contingent consideration	—		—			245			245
	$	282,534	$	25,326		$	245		$	308,105
LIABILITIES:
Contingent purchase consideration	$	—	$	—		$	(1,000	)	$	(1,000	)
Derivative financial instruments	—		(35		)	—			(35		)
	$	—	$	(35	)	$	(1,000	)	$	(1,035	)

	Fair Value Measurements at
	March 31, 2019
	Level 1		Level 2			Level 3		Total
ASSETS:
Cash and cash equivalents	$	409,632	$	—		$	—	$	409,632
U.S. government and municipal obligations	10,732		16,890			—		27,622
Commercial paper	—		48,722			—		48,722
Corporate bonds	1,012		—			—		1,012
Derivative financial instruments	—		58			—		58
Contingent consideration	—		—			762		762
	$	421,376	$	65,670		$	762	$	487,808
LIABILITIES:
Derivative financial instruments	$	—	$	(68	)	$	—	$	(68	)
	$	—	$	(68	)	$	—	$	(68	)

Schedule of Reconciliation of Changes in Fair Value of Level III Financial Assets

The following table sets forth a reconciliation of changes in the fair value of the Company's Level 3 financial assets and liabilities for the six months ended September 30, 2019 (in thousands):

	Contingent Consideration			Contingent Purchase Consideration
Balance at March 31, 2019	$	762		$	—
Additions to Level 3	—			(1,000		)
Change in fair value of contingent consideration	(517		)	—
Balance at September 30, 2019	$	245		$	(1,000	)