Note 5 - Stock-based Compensation (Tables)

12 Months Ended

Feb. 28, 2016

Notes Tables

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

	Fiscal Year
	2016				2015				2014
Weighted average fair value per share of option grants	$	5.30			$	8.05			$	8.79
Risk-free interest rates		1.57	-	1.86%		2.03	-	2.18%		1.64	-	2.15%
Expected stock price volatility		27.91	-	31.71%		31.07	-	31.59%		32.80	-	34.00%
Expected dividend yields		1.84	-	2.76%		1.34	-	1.77%		1.46	-	1.67%
Estimated option terms (years)		5.3	-	7.9		7.8				6.1	-	8.1

Schedule of 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 3, 2013		977,783		$	25.54
Granted		193,600			27.20
Exercised		(51,266	)		23.44
Terminated or expired		(39,000	)		26.07
Granted under option modification		902,517			23.13
Cancelled under option modification		(902,517	)		25.63
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		6.16	$	-
Vested and exercisable, February 28, 2016		721,525		$	22.38		4.16	$	-
Expected to vest, February 28, 2016		1,162,620		$	21.19		6.16	$	-

Schedule of Nonvested Share Activity [Table Text Block]

	Shares Subject to Options			Weighted Average Grant Date Fair Value
Non-vested, beginning of year		271,987		$	8.27
Granted		379,450			5.30
Vested		(106,470	)		8.10
Terminated or expired		(40,100	)		8.02
Non-vested, end of year		504,867		$	6.09