Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net sales	$ 5,295,584	$ 3,936,623	$ 3,199,517
Cost of sales	3,678,492	2,805,721	2,274,592
Gross profit	1,617,092	1,130,902	924,925
Selling and administrative expenses	786,808	659,931	583,679
Note recovery	(2,500)
(Recovery) impairment of goodwill and other assets	0	6,944	0
Operating income	832,784	464,027	341,246
Interest and other non-operating expenses, net	8,639	12,353	23,772
Income before income taxes and equity earnings	824,145	451,674	317,474
Provision for income taxes	173,812	85,231	56,161
Equity earnings in unconsolidated investments, net	291	295	262
Net income	$ 650,624	$ 366,738	$ 261,575
Earnings per share:
Basic (in dollars per share)	$ 16.21	$ 9.14	$ 6.57
Diluted (in dollars per share)	$ 15.97	$ 8.97	$ 6.40
Weighted average shares outstanding:
Basic (in shares)	39,876	40,106	39,833
Diluted (in shares)	40,480	40,865	40,865
Cash dividends declared per common share (in dollars per share)	$ 2.98	$ 2.29	$ 2.10