Investment Securities (Tables)

3 Months Ended

Aug. 29, 2020

Investments, Debt and Equity Securities [Abstract]

Schedule Of Investment Securities

The following represents the Company’s investment securities as of August 29, 2020 and May 30, 2020 (in thousands):

August 29, 2020	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
Municipal bonds	$	16,255	$	131	$	—	$	16,386
Commercial paper	7,735		2		—		7,737
Corporate bonds	121,037		1,704		—		122,741
Certificates of deposits	1,002		1		—		1,003
Asset backed securities	2,636		21		—		2,657
Total current investment securities	$	148,665	$	1,859	$	—	$	150,524
Mutual funds	$	2,019	$	1,229	$	—	$	3,248
Total noncurrent investment securities	$	2,019	$	1,229	$	—	$	3,248

May 30, 2020	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
Municipal bonds	$	16,093	$	86	$	—	$	16,179
Commercial paper	6,965		17		—		6,982
Corporate bonds	125,594		1,274		—		126,868
Certificates of deposits	1,492		—		—		1,492
Asset backed securities	2,629		13		—		2,642
Total current investment securities	$	152,773	$	1,390	$	—	$	154,163
Mutual funds	$	2,005	$	744	$	—	$	2,749
Total noncurrent investment securities	$	2,005	$	744	$	—	$	2,749

Schedule Of Contractual Maturities Of Investment Securities

Contractual maturities of current investments at August 29, 2020 are as follows (in thousands):

	Estimated Fair Value
Within one year	$	79,533
1-5 years	70,991
Total	$	150,524