Fair Value of Financial Instruments (Tables)

6 Months Ended

Sep. 28, 2013

Fair Value Of Financial Instruments [Abstract]

Schedule Of Fair Value Of Financial Assets

	Quoted Prices
	in Active		Significant
	Markets for		Other		Significant
	Identical		Observable		Unobservable
	Assets		Inputs		Inputs
	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	34,707	$	-	$	-	$	34,707
Commercial paper		-		5,000		-		5,000
	$	34,707	$	5,000	$	-	$	39,707
Available-for-sale securities
Corporate debt securities	$	-	$	152,128	$	-	$	152,128
U.S. Treasury securities		42,593		-		-		42,593
Agency discount notes		-		4,024		-		4,024
Commercial paper		-		40,932		-		40,932
	$	42,593	$	197,084	$	-	$	239,677

The fair value of our financial assets at March 30, 2013, was determined using the following inputs (in thousands):

	Quoted Prices
	in Active		Significant
	Markets for		Other		Significant
	Identical		Observable		Unobservable
	Assets		Inputs		Inputs
	Level 1		Level 2		Level 3		Total
Cash equivalents
Money market funds	$	54,762	$	-	$	-	$	54,762
Commercial paper		-		1,500		-		1,500
	$	54,762	$	1,500	$	-	$	56,262
Available-for-sale securities
Corporate debt securities	$	-	$	94,667	$	-	$	94,667
U.S. Treasury securities		34,381		-		-		34,381
Agency discount notes		-		1,027		-		1,027
Commercial paper		-		40,070		-		40,070
	$	34,381	$	135,764	$	-	$	170,145