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FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value Measurements

Cash, cash equivalents, and available-for-sale investments (in thousands):

	Amortized			Gross Unrealized			Gross Unrealized			Estimated			Cash and Cash			Short-Term			Long-Term
As of September 30, 2019	Costs			Gain			Loss			Fair Value			Equivalents			Investments			Investments
Cash	$	25,673		$	—		$	—		$	25,673		$	25,673		$	—		$	—
Level 1:
Money market funds	132,551			—			—			132,551			132,551			—			—
Treasury securities	6,578			7			(5		)	6,580			—			—			6,580
Subtotal	164,802			7			(5		)	164,804			158,224			—			6,580
Level 2:
Corporate bonds	37,858			123			(3		)	37,978			—			24,110			13,868
Commercial paper	5,592			—			—			5,592			3,995			1,597			—
Municipal securities	2,099			19			—			2,118			—			2,118			—
Agency bonds	1,499			—			—			1,499			—			1,499			—
Subtotal	47,048			142			(3		)	47,187			3,995			29,324			13,868
Total assets	$	211,850		$	149		$	(8	)	$	211,991		$	162,219		$	29,324		$	20,448

	Amortized			Gross Unrealized			Gross Unrealized			Estimated			Cash and Cash			Short-Term
As of March 31, 2019	Costs			Gain			Loss			Fair Value			Equivalents			Investments
Cash	$	25,364		$	—		$	—		$	25,364		$	25,364		$	—
Level 1:
Money market funds	251,219			—			—			251,219			251,219			—
Subtotal	276,583			—			—			276,583			276,583			—
Level 2:
Corporate debt	46,516			51			(29		)	46,538			—			46,538
Municipal securities	5,511			17			—			5,528			—			5,528
Asset backed securities	13,596			9			(17		)	13,588			—			13,588
Agency bonds	4,260			—			(15		)	4,245			—			4,245
Subtotal	69,883			77			(61		)	69,899			—			69,899
Total assets	$	346,466		$	77		$	(61	)	$	346,482		$	276,583		$	69,899

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- Definition

Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2C
-URI http://asc.fasb.org/extlink&oid=117815213&loc=SL7498348-110258

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bb)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- References

No definition available.

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