Consolidated Statements of Operations (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net sales:
Total net sales	$ 2,323,947	$ 2,650,850
Costs of goods sold:
Total costs of goods sold	1,932,632	2,271,989
Gross profit	391,315	378,861
Operating expenses:
Selling and administrative expenses	310,001	297,640
Severance and restructuring expenses	3,802	1,372
Acquisition and integration related expenses	51	0
Earnings from operations	77,461	79,849
Non-operating (income) expense:
Interest expense, net	10,348	8,068
Other expense (income), net	752	(2,843)
Earnings before income taxes	66,361	74,624
Income tax expense	16,389	17,993
Net earnings	$ 49,972	$ 56,631
Net earnings per share:
Basic (in usd per share)	$ 1.48	$ 1.62
Diluted (in usd per share)	$ 1.34	$ 1.53
Shares used in per share calculations:
Basic (in shares)	33,706	34,974
Diluted (in shares)	37,207	36,981
Products
Net sales:
Total net sales	$ 1,967,645	$ 2,310,287
Costs of goods sold:
Total costs of goods sold	1,772,729	2,107,209
Gross profit	194,916	203,078
Services
Net sales:
Total net sales	356,302	340,563
Costs of goods sold:
Total costs of goods sold	159,903	164,780
Gross profit	$ 196,399	$ 175,783