CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net sales	$ 6,653,858	$ 6,200,957	$ 5,562,714
Cost of sales	4,055,147	3,923,003	3,608,527
Gross profit	2,598,711	2,277,954	1,954,187
Selling, delivery and administrative expenses	1,764,260	1,636,907	1,515,016
Income from operations	834,451	641,047	439,171
Interest (income) expense, net	(918)	24,792	33,449
Mark-to-market on acquisition related contingent consideration	159,354	32,301	146,308
Pension plan settlement expense	112,796	0	0
Other expense, net	5,738	8,867	4,265
Income before taxes	557,481	575,087	255,149
Income tax expense	149,106	144,929	65,569
Net income	$ 408,375	$ 430,158	$ 189,580
Common Stock
Basic net income per share:
Common Stock (in dollars per share)	$ 43.56	$ 45.88	$ 20.23
Weighted average number of Common Stock shares outstanding (in shares)	8,369	8,117	7,141
Diluted net income per share:
Common Stock (in dollars per share)	$ 43.48	$ 45.74	$ 20.17
Weighted average number of Common Stock shares outstanding – assuming dilution (in shares)	9,392	9,405	9,400
Class B Common Stock
Basic net income per share:
Common Stock (in dollars per share)	$ 43.56	$ 45.93	$ 20.23
Weighted average number of Common Stock shares outstanding (in shares)	1,005	1,257	2,232
Diluted net income per share:
Common Stock (in dollars per share)	$ 43.40	$ 45.76	$ 20.16
Weighted average number of Common Stock shares outstanding – assuming dilution (in shares)	1,023	1,288	2,259