Marketable Securities (Tables)

3 Months Ended

Jun. 02, 2018

Marketable Securities [Abstract]

Amortized cost, gross unrealized gains and losses, and estimated fair values of investments available for sale

arketable securities, made up of municipal and corporate bonds:

In thousands	Amortized Cost	Gross Unrealized Gains	Gross Unrealized Losses		Estimated Fair Value
June 2, 2018	15,250	8	(126	)	15,132
March 3, 2018	9,183	8	(138	)	9,053

Schedule of amortized cost and estimated fair values of investments by contractual maturity

The amortized cost and estimated fair values of municipal bonds at June 2, 2018, by contractual maturity, are shown below. Expected maturities may differ from contractual maturities, as borrowers may have the right to call or prepay obligations with or without penalty.

In thousands	Amortized Cost		Estimated Fair Value
Due within one year	$	2,394	$	2,394
Due after one year through five years	7,039		6,980
Due after five years through 10 years	4,563		4,512
Due after 10 years through 15 years	240		240
Due beyond 15 years	1,014		1,006
Total	$	15,250	$	15,132

Fair value measurements

In thousands	Quoted Prices in Active Markets (Level 1)		Other Observable Inputs (Level 2)		Total Fair Value
June 2, 2018
Cash equivalents
Money market funds	$	2,179	$	—	$	2,179
Short-term securities
Mutual funds	2,273		—		2,273
Municipal and corporate bonds	—		121		121
Total short-term securities	2,273		121		2,394
Long-term securities
Municipal and corporate bonds	—		12,738		12,738
Total assets at fair value	$	4,452	$	12,859	$	17,311
March 3, 2018
Cash equivalents
Money market funds	$	2,901	$	—	$	2,901
Commercial paper	—		400		400
Total cash equivalents	2,901		400		3,301
Short-term securities
Municipal and corporate bonds	—		423		423
Long-term securities
Municipal and corporate bonds	—		8,630		8,630
Total assets at fair value	$	2,901	$	9,453	$	12,354