Financial Instruments (Tables)

12 Months Ended

Feb. 29, 2020

Marketable Securities [Abstract]

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

(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
February 29, 2020	$	11,692	$	275	$	—	$	11,967
March 2, 2019	12,481		59		108		12,432

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

The amortized cost and estimated fair values of our municipal and corporate bonds at February 29, 2020, 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. Gross realized gains and losses were insignificant for all periods presented.

(In thousands)	Amortized Cost		Estimated Fair Value
Due within one year	$	807	$	809
Due after one year through five years	6,825		6,998
Due after five years through 10 years	4,060		4,160
Total	$	11,692	$	11,967

Schedule of financial assets and liabilities measured at fair value on a recurring basis

Financial assets and liabilities measured at fair value on a recurring basis were: 

(In thousands)	Quoted Prices in Active Markets (Level 1)		Other Observable Inputs (Level 2)		Total Fair Value
February 29, 2020
Assets:
Money market funds	$	2,689	$	—	$	2,689
Commercial paper	—		1,500		1,500
Municipal and corporate bonds	—		11,967		11,967
Liabilities:
Foreign currency forward/option contract	—		340		340
Interest rate swap contract	—		561		561
March 2, 2019
Assets:
Money market funds	$	2,015	$	—	$	2,015
Commercial paper	—		300		300
Municipal and corporate bonds	—		12,432		12,432
Liabilities:
Foreign currency forward/option contract	—		470		470