Fair Value of Financial Instruments (Tables)

12 Months Ended

Mar. 30, 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 March 30, 2014 and March 31, 2013 is as follows:

	Fair Value Measurements Using
	Level 1		Level 2		Total
	(In thousands)
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
March 31, 2013
Cash and cash equivalents	$	95,098	$	434	$	95,532
Marketable securities:
U.S. government and agency securities		113,359		—		113,359
Corporate debt obligations		—		154,859		154,859
Mortgage-backed securities		—		51,281		51,281
Municipal bonds		—		39,872		39,872
Other debt securities		—		603		603
		113,359		246,615		359,974
	$	208,457	$	247,049	$	455,506