Quarterly Financial Data (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended	1 Months Ended													3 Months Ended																12 Months Ended
	Dec. 15, 2011	Jan. 31, 2013	Nov. 30, 2012	Aug. 31, 2012	May 31, 2012	Jan. 31, 2012	Nov. 30, 2011	Aug. 31, 2011	May 31, 2011	Jan. 31, 2011	Nov. 30, 2010	Aug. 30, 2010	May 31, 2010	Feb. 02, 2010	Feb. 02, 2013		Oct. 27, 2012		Jul. 28, 2012		Apr. 28, 2012		Jan. 28, 2012		Oct. 29, 2011		Jul. 30, 2011		Apr. 30, 2011		Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Effect of Fourth Quarter Events [Line Items]
Sales															$ 2,760,646	[1]	$ 2,262,723		$ 2,340,855		$ 2,356,841		$ 2,397,878		$ 2,046,427		$ 2,089,410		$ 2,074,576		$ 9,721,065	$ 8,608,291	$ 7,866,100
Costs of goods sold															1,993,661	[1]	1,648,997		1,689,643		1,679,127		1,745,034		1,490,213		1,524,307		1,481,206		7,011,428	6,240,760	5,729,735
Selling, general and administrative															390,003	[1]	357,983		352,089		337,811		341,794		332,226		320,885		309,160		1,437,886	1,304,065	1,229,775
Interest expense, net															946	[1]	1,643		2,086		2,232		2,693		2,565		2,569		2,495		6,907	10,322	9,569
Total costs and expenses															2,384,610	[1]	2,008,623		2,043,818		2,019,170		2,089,521		1,825,004		1,847,761		1,792,861		8,456,221	7,555,147	6,969,079
Earnings before taxes															376,036	[1]	254,100		297,037		337,671		308,357		221,423		241,649		281,715		1,264,844	1,053,144	897,021
Provision for taxes on earnings															139,434	[1]	94,576		115,013		129,058		116,405		77,454		93,373		108,742		478,081	395,974	342,224
Net earnings															$ 236,602	[1]	$ 159,524		$ 182,024		$ 208,613		$ 191,952		$ 143,969		$ 148,276		$ 172,973		$ 786,763	$ 657,170	$ 554,797
Basic (in dollars per shar)															$ 1.09	[1],[2]	$ 0.73	[2]	$ 0.83	[2]	$ 0.94	[2]	$ 0.86	[2],[3]	$ 0.64	[2],[3]	$ 0.65	[2],[3]	$ 0.75	[2],[3]	$ 3.59	$ 2.91	$ 2.35
Diluted (in dollars per share)															$ 1.07	[1],[2]	$ 0.72	[2]	$ 0.81	[2]	$ 0.93	[2]	$ 0.85	[2],[3]	$ 0.63	[2],[3]	$ 0.64	[2],[3]	$ 0.74	[2],[3]	$ 3.53	$ 2.86	$ 2.31
Cash dividends declared per share on common stock (in dollars per share)		$ 0.17	$ 0.14	$ 0.14	$ 0.14	$ 0.14	$ 0.11	$ 0.11	$ 0.11	$ 0.11	$ 0.08	$ 0.08	$ 0.08	$ 0.08	$ 0.31	[1],[4]	$ 0.14	[4]	$ 0.14	[4]	$ 0.00	[4]	$ 0.25	[3],[5]	$ 0.11	[3]	$ 0.11	[3]	$ 0.00	[3]	$ 0.59	$ 0.47	$ 0.35
Stockholders' Equity Note, Stock Split, Conversion Ratio	2
Stock price - High															$ 61.15	[1]	$ 69.98		$ 69.23		$ 62.22		$ 52.38		$ 44.20		$ 41.32		$ 37.01
Stock Price - Low															$ 52.39	[1]	$ 60.32		$ 60.35		$ 50.7		$ 42.67		$ 34.25		$ 36.68		$ 32.43

[1] The quarter ended February 2, 2013 was a 14-week quarter; all other quarters preesnted were 13 weeks.

[2] Quarterly EPS results may not equal full year amounts due to rounding.

[3] All per share amounts have been adjusted for the two-for-one stock split effective December 15, 2011.

[4] Includes $.14 per share dividend declared in November 2012 and $.17 per share dividend declared in January 2013.

[5] Includes $.11 per share dividend declared in November 2011 and $.14 per share dividend declared in January 2012.