Fair Value Measurements (Tables)

12 Months Ended

Mar. 31, 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 March 31, 2019 and 2018 based on the three-tier fair value hierarchy (in thousands):



	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



	Fair Value Measurements as of March 31, 2018
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents:
Money market funds	$	38,458	$	—	$	—	$	38,458
Commercial paper	—		21,710		—		21,710
U.S treasury securities	2,698		—		—		2,698
U.S. government agencies	—		5,498		—		5,498
Short-term investments:
Certificates of deposit	—		20,492		—		20,492
Commercial paper	—		21,699		—		21,699
Corporate notes and bonds	—		9,794		—		9,794
U.S. treasury securities	40,187		—		—		40,187
U.S. government agencies	—		23,269		—		23,269
Restricted cash:
Money market funds	8,202		—		—		8,202
Total	$	89,545	$	102,462	$	—	$	192,007
Included in cash and cash equivalents							$	68,364
Included in short-term investments							$	115,441
Included in restricted cash							$	8,202

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 March 31, 2019 and 2018 (in thousands):



	March 31, 2019		March 31, 2018
Due within one year	$	346,768	$	96,924
Due in one to two years	163,604		18,517
Total	$	510,372	$	115,441