Note 5 - Stock-based Compensation (Tables)

12 Months Ended

Feb. 26, 2017

Notes Tables

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

	Fiscal Year
	2017		2016				2015
Weighted average fair value per share of option grants		$3.15			$5.30				$8.05
Risk-free interest rates		1.77%		1.57	-	1.86%		2.03	-	2.18%
Expected stock price volatility		28.9%		27.91	-	31.71%		31.07	-	31.59%
Expected dividend yields		2.23%		1.84	-	2.76%		1.34	-	1.77%
Estimated option terms (in years)		5.3		5.3	-	7.9			7.8

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 2, 2014		1,081,117		$	23.84
Granted		18,000			25.81
Exercised		(79,800	)		21.49
Terminated or expired		(52,625	)		24.21
Granted under option modification		996,892			22.55
Cancelled under option modification		(996,892	)		24.05
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		5.52	$	-
Vested and exercisable, February 26, 2017		762,217		$	22.07		4.40	$	-
Expected to vest, February 26, 2017		1,009,509		$	21.08		5.52	$	-

Schedule of Nonvested Share Activity [Table Text Block]

	Shares Subject to Options			Weighted Average Grant Date Fair Value
Non-vested, beginning of year		504,867		$	8.27
Granted		1,250			3.15
Vested		(136,505	)		6.44
Terminated or expired		(61,300	)		7.84
Non-vested, end of year		308,312		$	6.09