Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Net sales	$ 4,783,738	$ 3,823,227	$ 9,248,452	$ 7,915,753
Cost of goods sold	3,094,633	2,532,740	6,018,532	5,237,088
Gross profit	1,689,105	1,290,487	3,229,920	2,678,665
Operating expenses:
Selling, administrative and other expenses	1,349,309	971,589	2,544,473	2,114,286
Depreciation and amortization	73,960	66,733	146,256	133,987
Provision for doubtful accounts	5,037	11,300	9,946	17,819
Restructuring costs	0	25,059	0	28,041
Goodwill impairment charge	0	506,721	0	506,721
Total operating expenses	1,428,306	1,581,402	2,700,675	2,800,854
Non-operating (income) expenses:
Interest expense	16,107	25,465	35,169	46,430
Other	(24,915)	(11,944)	(61,390)	(24,776)
Total non-operating (income) expenses	(8,808)	13,521	(26,221)	21,654
Income (loss) before income taxes	269,607	(304,436)	555,466	(143,843)
Income taxes	73,111	59,065	141,260	97,312
Net income (loss) from continuing operations	196,496	(363,501)	414,206	(241,155)
Net loss from discontinued operations	0	(200,871)	0	(186,682)
Net income (loss)	$ 196,496	$ (564,372)	$ 414,206	$ (427,837)
Dividends declared per common share (usd per share)	$ 0.8150	$ 0.7900	$ 1.6300	$ 1.5800
Basic earnings (loss) per share:
Continuing operations (usd per share)	1.36	(2.52)	2.87	(1.67)
Discontinued operations (usd per share)	0	(1.39)	0	(1.29)
Basic earnings (loss) per share (usd per share)	1.36	(3.91)	2.87	(2.96)
Diluted earnings (loss) per share:
Continuing operations (usd per share)	1.36	(2.52)	2.85	(1.67)
Discontinued operations (usd per share)	0	(1.39)	0	(1.29)
Diluted earnings (loss) per share (usd per share)	$ 1.36	$ (3.91)	$ 2.85	$ (2.96)
Weighted average common shares outstanding (in shares)	144,211	144,262	144,312	144,657
Dilutive effect of stock options and non-vested restricted stock awards (in shares)	772	0	846	0
Weighted average common shares outstanding - assuming dilution (in shares)	144,983	144,262	145,158	144,657