Fair Value Measurements (Tables)

9 Months Ended

Nov. 02, 2013

Fair Value Measurements [Abstract]

Financial Assets Valued On A Recurring Basis, Based On The Priority Of The Inputs To The Valuation Technique

					Fair Value Measurements at Reporting Date Using
	Balance as of November 2, 2013				Quoted Prices in Active Markets for Identical Assets (Level 1)						Significant Other Observable Inputs          (Level 2)		Significant Unobservable Inputs               (Level 3)
Current Assets	(in thousands)
Cash equivalents:
Money market accounts	$	17,291				$	17,291			$		-			$	-
Marketable securities:																-
Municipal securities		81,963					-					81,963				-
U.S. government securities		32,194					32,194					-				-
U.S. government agencies		9,013					-					9,013				-
Corporate bonds		74,065					-					74,065				-
Commercial paper		-					-					-				-
Certificates of deposit		-					-					-				-
Non Current Assets
Deferred compensation plan		6,246					6,246					-				-
Total	$	220,772				$	55,731			$		165,041			$	-
	Balance as of February 2, 2013
Current Assets
Cash equivalents:
Money market accounts	$	25,366	$	25,366				$	-				$	-
Marketable securities:														-
Municipal securities		92,448		-					92,448					-
U.S. government securities		44,714		44,714					-					-
U.S. government agencies		28,064		-					28,064					-
Corporate bonds		100,255		-					100,255					-
Commercial paper		4,996		-					4,996					-
Certificates of deposit		2,022		-					2,022					-
Non Current Assets
Deferred compensation plan		4,629		4,629					-					-
Total	$	302,494	$	74,709				$	227,785				$	-
	Balance as of October 27, 2012
Current Assets
Cash equivalents:
Money market accounts	$	5,115	$	5,115				$	-				$	-
Marketable securities:
Municipal securities		97,391		-					97,391					-
U.S. government securities		38,589		38,589					-					-
U.S. government agencies		33,547		-					33,547					-
Corporate bonds		113,854		-					113,854					-
Commercial paper		6,991		-					6,991					-
Certificates of deposit		2,021		-					2,021					-
Non Current Assets
Deferred compensation plan		4,370		4,370					-					-
Total	$	301,878	$	48,074				$	253,804				$	-