Fair Value of Financial Instruments (Tables)

6 Months Ended

Sep. 28, 2014

Fair Value Disclosures [Abstract]

Schedule of Assets Measured at Fair Value on a Recurring Basis

A summary of the assets measured at fair value on a recurring basis as of September 28, 2014 and March 30, 2014 are as follows:

	Fair Value Measurements Using
	Level 1		Level 2		Total
	(In thousands)
September 28, 2014
Cash and cash equivalents	$	86,930	$	—	$	86,930
Marketable securities:
U.S. government and agency securities		49,836		—		49,836
Corporate debt obligations		—		72,926		72,926
Mortgage-backed securities		—		33,570		33,570
Municipal bonds		—		20,331		20,331
Other debt securities		—		13,176		13,176
		49,836		140,003		189,839
	$	136,766	$	140,003	$	276,769
March 30, 2014
Cash and cash equivalents	$	91,258	$	—	$	91,258
Marketable securities:
U.S. government and agency securities		49,198		—		49,198
Corporate debt obligations		—		74,514		74,514
Mortgage-backed securities		—		32,782		32,782
Municipal bonds		—		25,113		25,113
Other debt securities		—		5,176		5,176
		49,198		137,585		186,783
	$	140,456	$	137,585	$	278,041