Fair Value Measurements (Tables)

6 Months Ended

Sep. 30, 2019

Information about Financial Assets Measured at Fair Value on Recurring Basis

The following tables present information about the Company’s financial assets measured at fair value on a recurring basis as of September 30, 2019 and March 31, 2019 based on the three-tier fair value hierarchy (in thousands):


	Fair Value Measurements as of September 30, 2019
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents:
Money market funds	$	126,909	$	—	$	—	$	126,909
Commercial paper	—		6,793		—		6,793


Short-term investments:
Certificates of deposit	—		33,867		—		33,867
Commercial paper	—		15,883		—		15,883
Corporate notes and bonds	—		40,592		—		40,592
U.S. treasury securities	429,111		—		—		429,111
U.S. government agencies	—		9,615		—		9,615
Restricted cash:
Money market funds	5,658		—		—		5,658
Total	$	561,678	$	106,750	$	—	$	668,428
Included in cash and cash equivalents							$	133,702
Included in short-term investments							$	529,068
Included in restricted cash							$	5,658

	Fair Value Measurements as of March 31, 2019
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents:
Money market funds	$	133,239	$	—	$	—	$	133,239
Commercial paper	—		9,973		—		9,973


Short-term investments:
Certificates of deposit	—		24,726		—		24,726
Commercial paper	—		37,071		—		37,071
Corporate notes and bonds	—		27,259		—		27,259
U.S. treasury securities	402,091		—		—		402,091
U.S. government agencies	—		19,225		—		19,225
Restricted cash:
Money market funds	8,805		—		—		8,805
Total	$	544,135	$	118,254	$	—	$	662,389
Included in cash and cash equivalents							$	143,212
Included in short-term investments							$	510,372
Included in restricted cash							$	8,805

Classification of Available-for-Sale Short-Term Investments by Contractual Maturities

The following table classifies the Company’s available-for-sale short-term investments by contractual maturities as of September 30, 2019 and March 31, 2019 (in thousands):


	September 30, 2019		March 31, 2019
Due within one year	$	317,454	$	346,768
Due after one year and within three years	211,614		163,604
Total	$	529,068	$	510,372