Condensed Consolidated Statements of Earnings shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 29, 2016 USD ($) stores $ / shares shares	Oct. 31, 2015 USD ($) stores $ / shares shares	Oct. 29, 2016 USD ($) stores $ / shares shares	Oct. 31, 2015 USD ($) stores $ / shares shares
Income Statement [Abstract]
Sales	$ 3,086,687	$ 2,782,855	$ 9,356,599	$ 8,689,273
Costs and Expenses
Cost of goods sold	2,206,092	2,003,347	6,634,142	6,190,282
Selling, general and administrative	490,171	443,354	1,396,606	1,287,878
Interest expense, net	4,156	4,427	12,733	8,082
Total costs and expenses	2,700,419	2,451,128	8,043,481	7,486,242
Earnings before taxes	386,268	331,727	1,313,118	1,203,031
Provision for taxes on earnings	141,722	116,071	496,032	446,531
Net earnings	$ 244,546	$ 215,656	$ 817,086	$ 756,500
Earnings per share
Basic (in dollars per share) | $ / shares	$ 0.63	$ 0.54	$ 2.08	$ 1.87
Diluted (in dollars per share) | $ / shares	$ 0.62	$ 0.53	$ 2.06	$ 1.85
Weighted average shares outstanding
Basic (in shares) | shares	390,870	401,494	393,412	404,636
Diluted (in shares) | shares	393,372	404,504	396,056	407,888
Dividends
Cash dividends declared per share (in dollars per share) | $ / shares	$ 0.135	$ 0.1175	$ 0.405	$ 0.3525
Stores open at end of period (in number of stores) | stores	1,535	1,448	1,535	1,448