Note 12 - Stock-based Compensation (Tables)

12 Months Ended

Feb. 27, 2016

Notes Tables

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

	FISCAL YEAR ENDED
Black-Scholes Valuation Assumptions  (1)	February 27, 2016			February 28, 2015			March 1, 2014
Weighted Average Expected Life (in years)  (2)		6.7			6.6			6.6
Weighted Average Expected Volatility  (3)		27.59	%		28.31	%		29.27	%
Weighted Average Risk Free Interest Rates  (4)		1.93	%		2.11	%		1.11	%
Expected Dividend Yield		-			-			-

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

(Shares in thousands)	Number of Stock Options			Weighted Average Exercise Price
Options outstanding, beginning of period		3,682		$	51.05
Granted		501			70.96
Exercised		(255	)		35.10
Forfeited or expired		(90	)		63.12
Options outstanding, end of period		3,838		$	54.43
Options exercisable, end of period		2,358		$	47.06

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

(Shares in thousands)	Number of Restricted Shares			Weighted Average Grant-Date Fair Value
Unvested restricted stock, beginning of period		3,592		$	57.90
Granted		792			68.67
Vested		(952	)		49.50
Forfeited		(202	)		62.81
Unvested restricted stock, end of period		3,230		$	62.71

Share-based Compensation, Performance Shares Award Unvested Activity [Table Text Block]

(Shares in thousands)	Number of Performance Stock Units			Weighted Average Grant-Date Fair Value
Unvested performance stock units, beginning of period		391		$	62.34
Granted		370			70.96
Vested		(98	)		62.34
Forfeited		(36	)		67.15
Unvested performance stock units, end of period		627		$	67.15