Note 5 - Stock-based Compensation (Tables)

12 Months Ended

Feb. 25, 2018

Notes Tables

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

	Fiscal Year
	2018	2017			2016
Weighted average fair value per share of option grants	-	$	3.15				$5.30
Risk-free interest rates	-		1.77	%		1.57	-	1.86%
Expected stock price volatility	-		28.9	%		27.91	-	31.71%
Expected dividend yields	-		2.23	%		1.84	-	2.76%
Estimated option terms (in years)	-		5.3			5.3	-	7.9

Share-based Compensation, Stock Options, Activity [Table Text Block]

	Outstanding Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Balance, March 1, 2015		966,692		$	22.55
Granted		379,450			17.82
Exercised		(2,500	)		19.91
Terminated or expired		(117,250	)		21.53
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 26, 2017		885,554		$	17.55		5.00	$	-
Vested and exercisable, February 26, 2017		689,317		$	18.00		4.38	$	-
Expected to vest, February 26, 2017		832,421		$	17.55		5.00	$	-

Schedule of Nonvested Share Activity [Table Text Block]

	Shares Subject to Options			Weighted Average Grant Date Fair Value
Non-vested, beginning of year		308,312		$	6.09
Granted		-			-
Vested		(93,112	)		5.17
Terminated or expired		(18,962	)		6.13
Non-vested, end of year		196,238		$	6.09