Note 5 - Stock-Based Compensation (Details) - Fair Value Assumptions (USD $)	12 Months Ended
	Mar. 02, 2014	Mar. 03, 2013	Feb. 26, 2012
Note 5 - Stock-Based Compensation (Details) - Fair Value Assumptions [Line Items]
Weighted average fair value of option grants (in Dollars per share)	$ 8.79	$ 8.56	$ 6.96
Risk-free interest rates			1.90%
Expected stock price volatility			35.40%
Minimum [Member]
Note 5 - Stock-Based Compensation (Details) - Fair Value Assumptions [Line Items]
Risk-free interest rates	1.64%	1.50%
Expected stock price volatility	32.80%	35.02%
Expected dividend yields	1.46%	1.54%	1.50%
Estimated option terms (years)	6 years 36 days	5 years 255 days	5 years 146 days
Maximum [Member]
Note 5 - Stock-Based Compensation (Details) - Fair Value Assumptions [Line Items]
Risk-free interest rates	2.15%	1.80%
Expected stock price volatility	34.00%	37.06%
Expected dividend yields	1.67%	1.65%	1.80%
Estimated option terms (years)	8 years 36 days	6 years 328 days	6 years 6 months