Cash And Cash Equivalents And Investments (Tables)

9 Months Ended

Dec. 29, 2012

Cash And Cash Equivalents And Investments [Abstract]

Schedule Of Cash And Cash Equivalents

	December 29, 2012		March 31, 2012
Cash	$	7,522	$	3,407
Cash equivalents:
Commercial paper		600		-
Money market funds		8,722		16,453
Total cash and cash equivalents	$	16,844	$	19,860

Schedule Of Investments

	December 29, 2012
		Amortized		Unrealized		Unrealized		Carrying
		Cost		Gain		Loss		Value
Short-term investments:
Trading securities:
Equity mutual funds related to NQDCP	$	9,078	$	-	$	-	$	9,078
Available-for-sale securities:
Municipal bonds		57,107		98		(32)		57,173
Corporate bonds		26,316		162		(9)		26,469
Government agency bonds		19,623		84		(2)		19,705
Certificates of deposits		7,610		3		(4)		7,609
Total short-term investments	$	119,734	$	347	$	(47)	$	120,034
Long-term investments:
Available-for sale securities	$	15,050	$	-	$	(1,550)	$	13,500
	March 31, 2012
		Amortized		Unrealized		Unrealized		Carrying
		Cost		Gain		Loss		Value
Short-term investments:
Trading securities
Equity mutual funds related to NQDCP	$	8,650	$	-	$	-	$	8,650
Available-for-sale securities:
Municipal bonds		32,250		39		(21)		32,268
Corporate bonds		36,912		68		(33)		36,947
Government agency bonds		25,984		33		(7)		26,010
Certificates of deposits		7,267		4		(9)		7,262
Total short-term investments	$	111,063	$	144	$	(70)	$	111,137
Long-term investments:
Available-for sale securities	$	28,050	$	-	$	(2,150)	$	25,900

Schedule Of Investments By Contractual Maturity

	December 29, 2012		March 31, 2012
Short-term investment:
Trading securities:
Due in one year or less	$	9,078	$	8,650
Available-for-sale securities:
Due in 12 months or less		45,807		62,504
Due in 12 to 24 months		20,990		29,903
Due in 24 to 36 months		28,488		2,682
Due in 36 to 49 months		15,671		7,398
Total short-term investments	$	120,034	$	111,137
Long-term investment:
Available-for-sale securities at fair value:
Due after ten years	$	13,500	$	25,900
Total long-term investments	$	13,500	$	25,900