Fair Value Measurements (Tables)

9 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Financial assets and liabilities measured at fair value on a recurring basis

The following table summarizes the Company’s financial assets measured at fair value on a recurring basis as of December 31, 2017:

	Fair Value at Reporting Date Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Total
Cash Equivalents and Short-Term Investments:
US government treasuries and agencies securities	$	71,318	$	—	$	71,318
Money market funds	60,818		—		60,818
Asset-backed securities	—		15,395		15,395
Corporate bonds	—		139,070		139,070
International government bonds	—		6,510		6,510
Corporate commercial paper	—		10,139		10,139
Bank deposits	—		34,133		34,133
Repurchase agreement	—		97		97
Total assets measured at fair value	$	132,136	$	205,344	$	337,480

The following table summarizes the Company’s financial assets measured at fair value on a recurring basis as of April 2, 2017:

	Fair Value at Reporting Date Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Total
Cash Equivalents and Short-Term Investments:
US government treasuries and agencies securities	$	61,556	$	—	$	61,556
Money market funds	140,425		—		140,425
Asset-backed securities	—		13,847		13,847
Corporate bonds	—		96,376		96,376
International government bonds	—		5,410		5,410
Corporate commercial paper	—		4,898		4,898
Bank deposits	—		12,305		12,305
Repurchase agreements	—		173		173
Total assets measured at fair value	$	201,981	$	133,009	$	334,990