Note 3 - Marketable Securities

9 Months Ended

Nov. 26, 2017

Notes to Financial Statements

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

3

.

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

(loss) earnings. 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 26, 2017
	Total		Level 1		Level 2		Level 3
U.S. Treasury and other government securities	$	158,276	$	158,276	$	-	$	-
U.S. corporate debt securities		42,957		42,957		-		-
Total marketable securities	$	201,233	$	201,233	$	-	$	-

	February 26, 2017
	Total		Level 1		Level 2		Level 3
U.S. Treasury and other government securities	$	111,261	$	111,261	$	-	$	-
U.S. corporate debt securities		24,891		24,891		-		-
Total marketable securities	$	136,152	$	136,152	$	-	$	-

The following table show

s 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 26, 2017:
U.S. Treasury and other government securities	$	159,928	$	-	$	1,652
U.S. corporate debt securities		43,275		-		318
Total marketable securities	$	203,203	$	-	$	1,970
February 26, 2017:
U.S. Treasury and other government securities	$	111,727	$	136	$	602
U.S. corporate debt securities		24,938		1		48
Total marketable securities	$	136,665	$	137	$	650

The estimated fair values of such securities at

November 26, 2017

by contractual maturity are shown below:

Due in one year or less	$	23,607
Due after one year through five years		177,626
	$	201,233