Condensed Consolidated Statements of Earnings shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 29, 2017 USD ($) stores $ / shares shares	Apr. 30, 2016 USD ($) stores $ / shares shares
Income Statement [Abstract]
Sales	$ 3,306,429	$ 3,088,995
Costs and Expenses
Cost of goods sold	2,329,966	2,176,205
Selling, general and administrative	474,819	436,924
Interest expense, net	3,169	4,364
Total costs and expenses	2,807,954	2,617,493
Earnings before taxes	498,475	471,502
Provision for taxes on earnings	177,457	180,868
Net earnings	$ 321,018	$ 290,634
Earnings per share
Basic (in dollars per share) | $ / shares	$ 0.83	$ 0.73
Diluted (in dollars per share) | $ / shares	$ 0.82	$ 0.73
Weighted average shares outstanding
Basic (in shares) | shares	386,433	395,799
Diluted (in shares) | shares	389,730	398,812
Dividends
Cash dividends declared per share (in dollars per share) | $ / shares	$ 0.1600	$ 0.1350
Stores open at end of period (in number of stores) | stores	1,561	1,473