Note 5 - Stock-Based Compensation (Tables)

12 Months Ended

Mar. 02, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

	Fiscal Year
	2014			2013			2012
Weighted average fair value of option grants		$8.79			$8.56			$6.96
Risk-free interest rates	1.64	-	2.15%	1.50	-	1.80%		1.90%
Expected stock price volatility	32.80	-	34.00%	35.02	-	37.06%		35.40%
Expected dividend yields	1.46	-	1.67%	1.54	-	1.65%	1.50	-	1.80%
Estimated option terms (years)	6.1	-	8.1	5.7	-	6.9	5.4	-	6.5

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, February 27, 2011		802,089		$	26.05
Granted		198,750			22.53
Exercised		(73,412	)		24.65
Terminated or expired		(11,476	)		25.75
Balance, February 26, 2012		915,951		$	25.40
Granted		205,520			25.60
Exercised		(35,987	)		21.16
Terminated or expired		(107,701	)		25.91
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		6.09	$	5,029
Exercisable, March 2, 2014		664,329		$	23.46		4.26	$	3,343

Schedule of Nonvested Share Activity [Table Text Block]

	Shares Subject to Options			Weighted Average Grant Date Fair Value
Nonvested, beginning of year		363,708		$	8.07
Granted		193,600			8.79
Vested		(122,422	)		8.08
Terminated or expired		(18,098	)		7.81
Nonvested, end of year		416,788		$	8.41