Condensed Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenues	$ 4,304,400	$ 3,666,897	$ 8,171,772	$ 7,099,173
Cost of sales	3,470,629	2,982,896	6,615,283	5,825,863
Gross profit	833,771	684,001	1,556,489	1,273,310
Selling, general and administrative expenses	418,559	351,193	822,521	680,549
Operating income	415,212	332,808	733,968	592,761
Net periodic pension income	55	221	109	443
Interest (expense) income, net	(3,240)	6,106	2,147	13,647
Income before income taxes	412,027	339,135	736,224	606,851
Income tax provision	109,867	91,563	193,387	162,130
Net income (in US dollars)	$ 302,160	$ 247,572	$ 542,837	$ 444,721
Basic earnings per common share (in US dollars per share)	$ 6.74	$ 5.27	$ 12.00	$ 9.45
Diluted earnings per common share (in US dollars per share)	6.72	5.25	11.96	9.41
Dividends declared per common share (in US dollars per share)	$ 0.25	$ 0.25	$ 0.50	$ 0.43