Marketable Securities (Tables)

12 Months Ended

Mar. 29, 2014

Mar. 30, 2013

Marketable Securities [Abstract]

Schedule of Available-for-sale Securities

							Estimated
			Gross		Gross		Fair Value
	Amortized		Unrealized		Unrealized		(Net Carrying
As of March 29, 2014	Cost		Gains		Losses		Amount)
Corporate debt securities	$	246,878	$	52	$	(245)	$	246,685
U.S. Treasury securities		56,986		10		(2)		56,994
Agency discount notes		2,008		1		-		2,009
Commercial paper		41,962		10		(2)		41,970
Certificates of deposit		5,006		-		(4)		5,002
Total securities	$	352,840	$	73	$	(253)	$	352,660

							Estimated
			Gross		Gross		Fair Value
	Amortized		Unrealized		Unrealized		(Net Carrying
As of March 30, 2013	Cost		Gains		Losses		Amount)
Corporate debt securities	$	94,798	$	2	$	(133)	$	94,667
U.S. Treasury securities		34,380		4		(3)		34,381
Agency discount notes		1,027		-		-		1,027
Commercial paper		40,089		9		(28)		40,070
Total securities	$	170,294	$	15	$	(164)	$	170,145

Schedule of Cost and Estimated Fair Value of Available-for-sale Securities by Contractual Maturity

	March 29, 2014				March 30, 2013
	Amortized		Estimated		Amortized		Estimated
	Cost		Fair Value		Cost		Fair Value
Within 1 year	$	263,418	$	263,417	$	105,290	$	105,235
After 1 year		89,422		89,243		65,004		64,910
Total	$	352,840	$	352,660	$	170,294	$	170,145