Note 5 - Stock-based Compensation (Tables)

12 Months Ended

Mar. 03, 2019

Notes Tables

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Fiscal Year
	2019	2018	2017
Weighted average fair value per share of option grants	$3.66	-	$3.15
Risk-free interest rates	2.83%	-	1.77%
Expected stock price volatility	24.7%	-	28.9%
Expected dividend yields	2.32%	-	2.23%
Estimated option terms (in years)	5.2	-	5.3

Share-based Payment Arrangement, Option, Activity [Table Text Block]

	Outstanding Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)
Balance, February 28, 2016		1,226,392		$	21.19
Granted		1,250			14.07
Exercised		-			-
Terminated or expired		(157,113	)		21.66
Balance, February 26, 2017		1,070,529		$	21.08
Granted		-			-
Exercised		(6,900	)		13.36
Terminated or expired		(178,075	)		22.55
Balance, February 25, 2018		885,554		$	17.55
Granted		2,650			13.50
Exercised		(244,382	)		12.18
Terminated or expired		(103,113	)		18.75
Balance, March 3, 2019		540,709		$	13.49		4.48
Vested and exercisable, March 3, 2019		508,359		$	13.84		4.38
Expected to vest, March 3, 2019		508,889		$	13.49		4.48

Schedule of Nonvested Share Activity [Table Text Block]

	Shares Subject to Options			Weighted Average Grant Date Fair Value
Non-vested, beginning of year		196,238		$	6.09
Granted		2,650			3.66
Vested		(169,287	)		6.02
Terminated or expired		(4,001	)		5.98
Non-vested, end of year		25,600		$	3.50