Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 1,769,784	$ 1,857,363	$ 2,890,594	$ 3,064,138
Cost of sales	1,239,643	1,289,580	2,021,894	2,126,599
Gross profit	530,141	567,783	868,700	937,539
Selling and administrative expenses	258,660	240,774	488,499	464,758
Operating income	271,481	327,009	380,201	472,781
Interest and other non-operating expenses, net	14,044	16,892	27,463	32,728
Income before income taxes and equity earnings	257,437	310,117	352,738	440,053
Provision for income taxes	65,058	77,987	81,531	106,260
Equity earnings in unconsolidated investments, net	60	120	117	156
Net income	$ 192,439	$ 232,250	$ 271,324	$ 333,949
Earnings per share:
Basic (in dollars per share)	$ 5.02	$ 5.95	$ 7.07	$ 8.55
Diluted (in dollars per share)	$ 4.99	$ 5.91	$ 7.03	$ 8.48
Weighted average shares outstanding: [Abstract]
Basic (in shares)	38,124	38,837	38,164	38,857
Diluted (in shares)	38,325	39,115	38,399	39,155
Cash dividends declared per common share	$ 1.20	$ 1.10	$ 2.30	$ 2.10