Fair Value Measurement (Tables)

6 Months Ended

Sep. 27, 2015

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 and liabilities measured at fair value on a recurring basis as of September 27, 2015:

	Fair Value at Reporting Date Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Cash Equivalents and Short-Term Investments:
US government treasuries and agencies securities	$	144,368	$	—	$	—	$	144,368
Money market funds	37,139		—		—		37,139
Asset-backed securities	—		39,656		—		39,656
Corporate bonds	—		261,023		—		261,023
International government bonds	—		1,004		—		1,004
Corporate commercial paper	—		8,546		—		8,546
Bank deposits	—		14,803		—		14,803
Repurchase agreement	—		128		—		128
Municipal bonds	—		6,011		—		6,011
Total assets measured at fair value	$	181,507	$	331,171	$	—	$	512,678

The following table summarizes the Company’s financial assets and liabilities measured at fair value on a recurring basis as of March 29, 2015:

	Fair Value at Reporting Date Using
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Cash Equivalents and Short-Term Investments:
US government treasuries and agencies securities	$	135,945	$	—	$	—	$	135,945
Money market funds	55,578		—		—		55,578
Asset-backed securities	—		31,830		—		31,830
Corporate bonds	—		245,675		—		245,675
International government bonds	—		1,006		—		1,006
Corporate commercial paper	—		4,999		—		4,999
Bank deposits	—		16,915		—		16,915
Repurchase agreements	—		191		—		191
Municipal bonds	—		6,044		—		6,044
Total assets measured at fair value	$	191,523	$	306,660	$	—	$	498,183