CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net sales	$ 6,899,716	$ 6,653,858	$ 6,200,957
Cost of sales	4,146,537	4,055,147	3,923,003
Gross profit	2,753,179	2,598,711	2,277,954
Selling, delivery and administrative expenses	1,832,829	1,764,260	1,636,907
Income from operations	920,350	834,451	641,047
Interest expense (income), net	1,848	(918)	24,792
Mark-to-market on acquisition related contingent consideration	59,166	159,354	32,301
Pension plan settlement expense	0	112,796	0
Other expense, net	2,682	5,738	8,867
Income before taxes	856,654	557,481	575,087
Income tax expense	223,529	149,106	144,929
Net income	$ 633,125	$ 408,375	$ 430,158
Common Stock
Basic net income per share:
Common Stock (in dollars per share)	$ 70.10	$ 43.56	$ 45.88
Weighted average number of Common Stock shares outstanding (in shares)	8,035	8,369	8,117
Diluted net income per share:
Common Stock (in dollars per share)	$ 69.94	$ 43.48	$ 45.74
Weighted average number of Common Stock shares outstanding – assuming dilution (in shares)	9,053	9,392	9,405
Class B Common Stock
Basic net income per share:
Common Stock (in dollars per share)	$ 69.50	$ 43.56	$ 45.93
Weighted average number of Common Stock shares outstanding (in shares)	1,005	1,005	1,257
Diluted net income per share:
Common Stock (in dollars per share)	$ 69.17	$ 43.40	$ 45.76
Weighted average number of Common Stock shares outstanding – assuming dilution (in shares)	1,018	1,023	1,288