CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Consolidated Statements of Income
Sales	$ 3,090,899	$ 2,476,487
Cost of goods sold, including warehouse and distribution expenses	1,450,104	1,180,581
Gross profit	1,640,795	1,295,906
Selling, general and administrative expenses	949,690	872,345
Operating income	691,105	423,561
Other income (expense):
Interest expense	(37,506)	(39,386)
Interest income	537	675
Other, net	1,691	(5,190)
Total other expense	(35,278)	(43,901)
Income before income taxes	655,827	379,660
Provision for income taxes	154,218	79,222
Net income	$ 501,609	$ 300,438
Earnings per share-basic:
Earnings per share	$ 7.13	$ 4.00
Weighted-average common shares outstanding - basic	70,383	75,022
Earnings per share-assuming dilution:
Earnings per share	$ 7.06	$ 3.97
Weighted-average common shares outstanding - assuming dilution	71,015	75,663