CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net sales:
Total net sales	$ 2,379,485	$ 2,323,947
Costs of goods sold:
Total costs of goods sold	1,938,557	1,932,632
Gross profit	440,928	391,315
Operating expenses:
Selling and administrative expenses	337,434	310,001
Severance and restructuring expenses	2,227	3,802
Acquisition and integration related expenses	1,281	51
Earnings from operations	99,986	77,461
Non-operating expense (income):
Interest expense, net	12,557	10,348
Other (income) expense, net	(763)	752
Earnings before income taxes	88,192	66,361
Income tax expense	21,165	16,389
Net earnings	$ 67,027	$ 49,972
Net earnings per share:
Basic (in usd per share)	$ 2.06	$ 1.48
Diluted (in usd per share)	$ 1.74	$ 1.34
Shares used in per share calculations:
Basic (in shares)	32,596	33,706
Diluted (in shares)	38,435	37,207
Products
Net sales:
Total net sales	$ 1,963,955	$ 1,967,645
Costs of goods sold:
Total costs of goods sold	1,771,584	1,772,729
Gross profit	192,371	194,916
Services
Net sales:
Total net sales	415,530	356,302
Costs of goods sold:
Total costs of goods sold	166,973	159,903
Gross profit	$ 248,557	$ 196,399