Note 3 - Marketable Securities

9 Months Ended

Nov. 25, 2018

Notes to Financial Statements

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

3

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MARKETABLE SECURITIES

All marketable securities are classified as available-for-sale and are carried at fair value, with the unrealized gains and losses, net of tax, included in comprehensive earnings (loss). Realized gains and losses, amortization of premiums and discounts, and interest and dividend income are included in interest and other income in the Consolidated Statements of Operations. The costs of securities sold are based on the specific identification method.

The following is a summary of available-for-sale securities:

	November 25, 2018
	Total		Level 1		Level 2		Level 3
U.S. Treasury and other government securities	$	74,463	$	74,463	$	-	$	-
U.S. corporate debt securities		20,928		20,928		-		-
Total marketable securities	$	95,391	$	95,391	$	-	$	-

	February 25, 2018
	Total		Level 1		Level 2		Level 3
U.S. Treasury and other government securities	$	78,361	$	78,361	$	-	$	-
U.S. corporate debt securities		11,616		11,616		-		-
Total marketable securities	$	89,977	$	89,977	$	-	$	-

The following table shows the amortized cost basis of, and gross unrealized gains and losses on, the Company’s available-for-sale securities:

	Amortized Cost Basis		Gross Unrealized Gains		Gross Unrealized Losses
November 25, 2018:
U.S. Treasury and other government securities	$	76,070	$	-	$	1,607
U.S. corporate debt securities		20,977		1		50
Total marketable securities	$	97,047	$	1	$	1,657
February 25, 2018:
U.S. Treasury and other government securities	$	80,116	$	-	$	1,755
U.S. corporate debt securities		11,675		-		59
Total marketable securities	$	91,791	$	-	$	1,814

The estimated fair values of such securities at

November 25, 2018

by contractual maturity are shown below:

Due in one year or less	$	41,802
Due after one year through five years		53,589
	$	95,391