Investment Securities (Tables)

12 Months Ended

Jun. 02, 2018

Investments, Debt and Equity Securities [Abstract]

Schedule Of Investment Securities

Investment securities consisted of the following (in thousands):

໿

	June 2, 2018
			Gains in		Losses in
			Accumulated		Accumulated
			Other		Other		Estimated
	Amortized		Comprehensive		Comprehensive		Fair
	Cost		Income		Income		Value
US government and agency obligations	$	23,991	$	—	$	174	$	23,817
Municipal bonds	20,697		—		31		20,666
Certificates of deposit	2,510		—		3		2,507
Commercial paper	17,926		—		6		17,920
Corporate bonds	215,273		—		1,190		214,083
Variable rate demand notes	600		—		—		600
Asset backed securities	3,010		—		17		2,993
Total current investment securities	$	284,007	$	—	$	1,421	$	282,586
Mutual funds	2,037		1,034		—		3,071
Total noncurrent investment securities	$	2,037	$	1,034	—		$	3,071

໿

	June 3, 2017
			Gains in		Losses in
			Accumulated		Accumulated
			Other		Other		Estimated
	Amortized		Comprehensive		Comprehensive		Fair
	Cost		Income		Income		Value
US government and agency obligations	$	20,259	$	—	$	43	$	20,216
Municipal bonds	36,839		34		—		36,873
Corporate bonds	75,769		21		—		75,790
Asset backed securities	5,583		—		—		5,583
Total current investment securities	$	138,450	$	55	$	43	$	138,462
Mutual funds	1,706		753		—		2,459
Total noncurrent investment securities	$	1,706	$	753	—		$	2,459

Unrealized Holding Gain (Loss) on Investments

Unrealized holding gains and (losses), net of taxes, for fiscal 2018, 2017, and 2016 were as follows (in thousands):

	June 2, 2018			June 3, 2017			May 28, 2016
Current Investments	$	(1,083	)	$	(54	)	$	22
Noncurrent Investments	316			164			(31		)
Total unrealized holding gains (losses)	$	(767	)	$	110		$	(9	)

Schedule Of Contractual Maturities Of Investment Securities

Contractual maturities of investment securities at June 2, 2018, are as follows (in thousands):

	Estimated Fair Value
Within one year	$	111,676
1-3 years	170,910
	$	282,586