Accounting Policies (Impacts Of The Revisions Of Statements Of Earnings) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended			6 Months Ended
	Aug. 31, 2012	Aug. 31, 2011		Aug. 31, 2012	Aug. 31, 2011
Selling, general and administrative expenses	$ 254,674	$ 229,887	[1]	$ 508,277	$ 471,542	[1]
Interest expense	8,152	8,464	[1]	16,295	17,004	[1]
Earnings before income taxes	181,102	179,860	[1]	376,735	382,524	[1]
Income tax provision	69,466	68,706	[1]	144,353	145,870	[1]
Net earnings	111,636	111,154	[1],[2]	232,382	236,654	[1],[2]
Basic	$ 0.49	$ 0.49	[1],[2]	$ 1.02	$ 1.05	[1],[2]
Diluted	$ 0.48	$ 0.48	[1],[2]	$ 1.00	$ 1.03	[1],[2]
Scenario, Previously Reported [Member]
Selling, general and administrative expenses		236,435			484,640
Interest expense		787			1,578
Earnings before income taxes		180,989			384,852
Income tax provision		69,094			146,669
Net earnings		111,895			238,183
Basic		$ 0.49			$ 1.05
Diluted		$ 0.49			$ 1.03
Adjustments [Member]
Selling, general and administrative expenses		(6,548)			(13,098)
Interest expense		7,677			15,426
Earnings before income taxes		(1,129)			(2,328)
Income tax provision		(388)			(799)
Net earnings		$ (741)			$ (1,529)
Basic		$ 0.00			$ 0.00
Diluted		$ (0.01)			$ 0.00

[1] As discussed in Note 2, fiscal 2012 reflects the revisions to correct our accounting for sale-leaseback transactions.

[2] (1) As discussed in Note 2, fiscal 2012 reflects the revisions to correct our accounting for sale-leaseback transactions.