Fair Value of Financial Instruments (Tables)

12 Months Ended

Mar. 29, 2015

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 29, 2015 and March 30, 2014 is as follows:

	Fair Value Measurements Using
	Level 1		Level 2		Total
	(In thousands)
March 29, 2015
Cash and cash equivalents	$	115,241	$	—	$	115,241
Marketable securities:
U.S. government and agency securities		54,440		—		54,440
Corporate debt obligations		—		99,323		99,323
Mortgage-backed securities		—		26,822		26,822
Municipal bonds		—		16,721		16,721
Other debt securities		—		3,868		3,868
		54,440		146,734		201,174
	$	169,681	$	146,734	$	316,415
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