Investment Securities (Tables)

6 Months Ended

Dec. 01, 2018

Investments, Debt and Equity Securities [Abstract]

Schedule Of Investment Securities

The following represents the Company’s investment securities as of December 1, 2018 and June 2, 2018 (in thousands):

December 1, 2018	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
US government and agency obligations	$	27,899	$	—	$	180	$	27,719
Municipal bonds	46,803		—		70		46,733
Commercial paper	9,836		—		3		9,833
Corporate bonds	163,702		—		1,403		162,299
Certificates of deposits	2,507		—		7		2,500
Asset backed securities	2,999		—		11		2,988
Total current investment securities	$	253,746	$	—	$	1,674	$	252,072
Mutual funds	$	2,046	$	1,037	$	—	$	3,083
Total noncurrent investment securities	$	2,046	$	1,037	$	—	$	3,083

June 2, 2018	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
US government and agency obligations	$	23,991	$	—	$	174	$	23,817
Municipal bonds	20,697		—		31		20,666
Certificates of deposits	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

Schedule of Unrealized Holding Gain (Loss) on Investments

Unrealized holding losses, net of taxes, for the twenty-six weeks ended December 1, 2018 and December 2, 2017 were as follows (in thousands):

	26 Weeks Ended
	December 1, 2018			December 2, 2017
Current investments	$	(191	)	$	(420	)
Noncurrent investments	2			148
Total unrealized holding losses	$	(189	)	$	(272	)

Schedule Of Contractual Maturities Of Investment Securities

Contractual maturities at December 1, 2018, are as follows (in thousands):

	Estimated Fair Value
Within one year	$	127,516
1-5 years	124,556
Total	$	252,072