Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net sales	$ 1,412,650	$ 1,060,745
Cost of sales	965,461	759,614
Gross profit	447,189	301,131
Selling and administrative expenses	211,466	172,100
Operating income	235,723	129,031
Interest and other non-operating expenses, net	5,198	2,582
Income before income taxes and equity earnings	230,525	126,449
Provision for income taxes	51,322	27,869
Equity earnings in unconsolidated investments, net	58	75
Net income	$ 179,261	$ 98,655
Earnings per share:
Basic (in dollars per share)	$ 4.46	$ 2.45
Diluted (in dollars per share)	$ 4.41	$ 2.42
Weighted average shares outstanding: [Abstract]
Basic (in shares)	39,932	40,215
Diluted (in shares)	40,392	40,846
Cash dividends declared per common share	$ 0.80	$ 0.58