Quarterly Financial Data (Unaudited) (Details) $ / shares in Units, $ in Thousands		1 Months Ended													3 Months Ended								12 Months Ended
	Jun. 11, 2015	Nov. 30, 2016 $ / shares	Aug. 31, 2016 $ / shares	May 31, 2016 $ / shares	Mar. 31, 2016 $ / shares	Nov. 30, 2015 $ / shares	Aug. 31, 2015 $ / shares	May 31, 2015 $ / shares	Mar. 31, 2015	Feb. 28, 2015 $ / shares	Nov. 30, 2014 $ / shares	Aug. 31, 2014 $ / shares	May 31, 2014 $ / shares	Feb. 28, 2014 $ / shares	Jan. 28, 2017 USD ($) $ / shares	Oct. 29, 2016 USD ($) $ / shares	Jul. 30, 2016 USD ($) $ / shares	Apr. 30, 2016 USD ($) $ / shares	Jan. 30, 2016 USD ($) $ / shares	Oct. 31, 2015 USD ($) $ / shares	Aug. 01, 2015 USD ($) $ / shares	May 02, 2015 USD ($) $ / shares	Jan. 28, 2017 USD ($) $ / shares	Jan. 30, 2016 USD ($) $ / shares	Jan. 31, 2015 USD ($) $ / shares
Quarterly Financial Data [Abstract]
Sales															$ 3,510,158	$ 3,086,687	$ 3,180,917	$ 3,088,995	$ 3,250,726	$ 2,782,855	$ 2,968,270	$ 2,938,148	$ 12,866,757	$ 11,939,999	$ 11,041,677
Cost of goods sold															2,539,563	2,206,092	2,251,845	2,176,205	2,386,591	2,003,347	2,119,480	2,067,455	9,173,705	8,576,873	7,937,956
Selling, general and administrative															493,802	490,171	469,511	436,924	450,877	443,354	435,226	409,298	1,890,408	1,738,755	1,615,371
Interest expense, net															3,755	4,156	4,213	4,364	4,530	4,427	1,652	2,003	16,488	12,612	2,984
Total costs and expenses															3,037,120	2,700,419	2,725,569	2,617,493	2,841,998	2,451,128	2,556,358	2,478,756	11,080,601	10,328,240	9,556,311
Earnings before taxes															473,038	386,268	455,348	471,502	408,728	331,727	411,912	459,392	1,786,156	1,611,759	1,485,366
Provision for taxes on earnings															172,470	141,722	173,442	180,868	144,567	116,071	153,273	177,187	668,502	591,098	560,642
Net earnings															$ 300,568	$ 244,546	$ 281,906	$ 290,634	$ 264,161	$ 215,656	$ 258,639	$ 282,205	$ 1,117,654	$ 1,020,661	$ 924,724
Basic (in dollars per share) | $ / shares															$ 0.77	$ 0.63	$ 0.72	$ 0.73	$ 0.66	$ 0.54	$ 0.64	$ 0.69	$ 2.85	$ 2.53	$ 2.24
Diluted (in dollars per share) | $ / shares															0.77	0.62	0.71	0.73	0.66	0.53	0.63	0.69	2.83	2.51	2.21
Cash dividends declared per share on common stock (in dollars per share) | $ / shares		$ 0.1350	$ 0.1350	$ 0.1350	$ 0.1350	$ 0.1175	$ 0.1175	$ 0.1175		$ 0.1175	$ 0.1000	$ 0.1000	$ 0.1000	$ 0.1000	0.1350	0.1350	0.1350	0.1350	0.1175	0.1175	0.1175	0.1175	0.54	0.470	$ 0.400
Condensed Financial Statements, Captions [Line Items]
Stock dividends (splits) issued	2								2
High [Member]
Condensed Financial Statements, Captions [Line Items]
Stock price (in dollars per share) | $ / shares															69.53	65.06	61.98	59.3	56.26	56.53	53.28	53.73	69.53	56.26
Low [Member]
Condensed Financial Statements, Captions [Line Items]
Stock price (in dollars per share) | $ / shares															$ 61.28	$ 60.68	$ 52.34	$ 52.56	$ 44.81	$ 47.22	$ 47.79	$ 45.93	$ 61.28	$ 44.81