Investment Securities (Tables)

9 Months Ended

Mar. 02, 2019

Investments, Debt and Equity Securities [Abstract]

Schedule Of Investment Securities

The following represents the Company’s investment securities as of March 2, 2019 and June 2, 2018 (in thousands):

March 2, 2019	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
US government and agency obligations	$	30,834	$	—	$	64	$	30,770
Municipal bonds	47,866		41		—		47,907
Commercial paper	3,238		—		15		3,223
Corporate bonds	156,040		—		469		155,571
Certificates of deposits	3,025		—		5		3,020
Asset backed securities	3,990		1		—		3,991
Total current investment securities	$	244,993	$	42	$	553	$	244,482
Mutual funds	$	2,312	$	1,091	$	—	$	3,403
Total noncurrent investment securities	$	2,312	$	1,091	$	—	$	3,403

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 gains (losses), net of taxes, for the thirty-nine weeks ended March 2, 2019 and March 3, 2018 were as follows (in thousands):

	39 Weeks Ended
	March 2, 2019		March 3, 2018
Current investments	$	689	$	(975	)
Noncurrent investments	43		311
Total unrealized holding gains (losses)	$	732	$	(664	)

Schedule Of Contractual Maturities Of Investment Securities

Contractual maturities of current investments at March 2, 2019, are as follows (in thousands):

	Estimated Fair Value
Within one year	$	140,391
1-5 years	104,091
Total	$	244,482