Fair Value of Financial Instruments (Tables)

9 Months Ended

Dec. 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 December 28, 2014 and March 30, 2014 are as follows:

	Fair Value Measurements Using
	Level 1		Level 2		Total
	(In thousands)
December 28, 2014
Cash and cash equivalents	$	95,508	$	—	$	95,508
Marketable securities:
U.S. government and agency securities		44,035		—		44,035
Corporate debt obligations		—		89,607		89,607
Mortgage-backed securities		—		30,633		30,633
Municipal bonds		—		20,211		20,211
Other debt securities		—		7,938		7,938
		44,035		148,389		192,424
	$	139,543	$	148,389	$	287,932
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