Investment Securities (Tables)

6 Months Ended

Dec. 02, 2017

Investments, Debt and Equity Securities [Abstract]

Schedule Of Investment Securities

The following represents the Company’s investment securities as of December 2, 2017 and June 3, 2017 (in thousands):

December 2, 2017	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
US government and agency obligations	$	20,907	$	—	$	120	$	20,787
Municipal bonds	24,412		—		36		24,376
Corporate bonds	139,274		—		467		138,807
Commercial paper	3,494		—		1		3,493
Asset backed securities	2,033		—		4		2,029
Total current investment securities	$	190,120	$	—	$	628	$	189,492
Mutual funds	$	1,711	$	936	$	—	$	2,647
Total noncurrent investment securities	$	1,711	$	936	$	—	$	2,647

June 3, 2017	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair 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

Schedule of Unrealized Holding Gain (Loss) on Investments

Unrealized holding gains and (losses), net of taxes, for the twenty-six weeks endedDecember 2, 2017 and November 26, 2016 were as follows (in thousands):

	26 Weeks Ended
	December 2, 2017			November 26, 2016
Current investments	$	(420	)	$	(78	)
Noncurrent investments	148			57
Total unrealized holding gains	$	(272	)	$	(21	)

Schedule Of Contractual Maturities Of Investment Securities

Contractual maturities at December 2, 2017, are as follows (in thousands):

	Estimated Fair Value
Within one year	$	99,175
1-5 years	90,317
Total	$	189,492