Investment Securities (Tables)

6 Months Ended

Nov. 26, 2016

Investments, Debt and Equity Securities [Abstract]

Schedule Of Investment Securities

The following represents the Company’s investment securities as of November 26, 2016 and May 28, 2016 (in thousands):

November 26, 2016	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
US government and agency obligations	$	17,296	$	—	$	48	$	17,248
Municipal bonds	56,960		90		—		57,050
Corporate bonds	98,318		—		67		98,251
Foreign government obligations	2,021		—		2		2,019
Asset backed securities	5,841		1		—		5,842
Total current investment securities	$	180,436	$	91	$	117	$	180,410
Mutual funds	1,448		580		—		2,028
Total noncurrent investment securities	$	1,448	$	580			$	2,028

May 28, 2016	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
US government and agency obligations	$	18,809	$	5	$	—	$	18,814
Municipal bonds	79,481		162		—		79,643
Corporate bonds	240,593		—		56		240,537
Foreign government obligations	2,044		2		—		2,046
Asset backed securities	15,908		—		15		15,893
Mutual funds	3,565		1		—		3,566
Total current investment securities	$	360,400	$	170	$	71	$	360,499
Mutual funds	1,448		489		—		1,937
Total noncurrent investment securities	$	1,448	$	489			$	1,937

Schedule Of Contractual Maturities Of Investment Securities

Contractual maturities at November 26, 2016, are as follows (in thousands):

	Estimated Fair Value
Within one year	$	91,976
1-5 years	88,434
Total	$	180,410