Note 13 - Summary of Quarterly Results (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended																12 Months Ended
	Feb. 27, 2016		Nov. 28, 2015		Aug. 29, 2015		May. 30, 2015		Feb. 28, 2015		Nov. 29, 2014		Aug. 30, 2014		May. 31, 2014		Feb. 27, 2016	Feb. 28, 2015	Mar. 01, 2014
Net sales	$ 3,417,892		$ 2,952,031		$ 2,995,469		$ 2,738,495		$ 3,336,593		$ 2,942,980		$ 2,944,905		$ 2,656,698		$ 12,103,887	$ 11,881,176	$ 11,503,963
Gross profit	1,319,916		1,115,311		1,140,950		1,044,133		1,325,875		1,128,974		1,134,045		1,030,885		4,620,310	4,619,779	4,565,582
Operating profit	498,582		292,858		350,194		273,269		532,168		352,683		368,741		300,701		1,414,903	1,554,293	1,614,587
Earnings before provision for income taxes	474,130		274,806		325,141		253,368		512,901		333,114		359,213		298,607		1,327,445	1,503,835	1,613,447
Provision for income taxes	170,586		96,990		123,463		94,917		191,840		107,706		135,260		111,555		485,956	546,361	591,157
Net earnings	$ 303,544		$ 177,816		$ 201,678		$ 158,451		$ 321,061		$ 225,408		$ 223,953		$ 187,052		$ 841,489	$ 957,474	$ 1,022,290
EPS-Basic (in dollars per share)	$ 1.93	[1]	$ 1.10	[1]	$ 1.22	[1]	$ 0.94	[1]	$ 1.83	[1]	$ 1.24	[1]	$ 1.18	[1]	$ 0.94	[1]	$ 5.15	$ 5.13	$ 4.85
EPS-Diluted (in dollars per share)	$ 1.91	[1]	$ 1.09	[1]	$ 1.21	[1]	$ 0.93	[1]	$ 1.80	[1]	$ 1.23	[1]	$ 1.17	[1]	$ 0.93	[1]	$ 5.10	$ 5.07	$ 4.79

[1] Net earnings per share ("EPS") amounts for each quarter are required to be computed independently and may not equal the amount computed for the total year.