CONSOLIDATED STATEMENTS OF EARNINGS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Jan. 31, 2011
Net sales	$ 3,794,249	$ 3,642,937	$ 3,085,290
Cost of sales	1,630,965	1,491,783	1,263,012
Gross profit	2,163,284	2,151,154	1,822,278
Selling, general and administrative expenses	1,466,067	1,442,728	1,227,497
Earnings from operations	697,217	708,426	594,781
Interest expense and financing costs	59,069	48,574	54,335
Other income, net	5,428	5,099	6,988
Earnings from operations before income taxes	643,576	664,951	547,434
Provision for income taxes	227,419	225,761	179,031
Net earnings	$ 416,157	$ 439,190	$ 368,403
Earnings per share:
Basic	$ 3.28	$ 3.45	$ 2.91
Diluted	$ 3.25	$ 3.40	$ 2.87
Weighted-average number of common shares:
Basic	126,737	127,397	126,600
Diluted	127,934	129,083	128,406