Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net sales:
Total net sales	$ 2,266,286	$ 2,534,354	$ 6,939,829	$ 7,928,581
Costs of goods sold:
Total costs of goods sold	1,857,416	2,135,096	5,706,454	6,712,573
Gross profit	408,870	399,258	1,233,375	1,216,008
Operating expenses:
Selling and administrative expenses	309,793	308,253	938,037	911,894
Severance and restructuring expenses, net	2,923	720	2,955	2,784
Acquisition and integration related expenses	4,292	6	4,449	1,646
Total Operating Expenses	317008.0	308979.0	945441.0	916324.0	0
Earnings from operations	91,862	90,279	287,934	299,684
Non-operating (income) expense:
Interest expense, net	12,013	11,713	31,766	29,164
Total Other Income Expenses	11810.0	13503.0	32255.0	28423.0	0.0
Other (income) expense, net	(203)	1,790	489	(741)
Earnings before income taxes	80,052	76,776	255,679	271,261
Income tax expense	19,805	19,460	64,978	68,130
Net earnings	$ 60,247	$ 57,316	$ 190,701	$ 203,131
Net earnings per share:
Basic (in usd per share)	$ 1.85	$ 1.64	$ 5.76	$ 5.80
Diluted (in usd per share)	$ 1.62	$ 1.58	$ 5.13	$ 5.53
Shares used in per share calculations:
Basic (in shares)	32,574	34,952	33,127	35,003
Diluted (in shares)	37,203	36,340	37,149	36,714
Products
Net sales:
Total net sales	$ 1,890,154	$ 2,169,197	$ 5,803,408	$ 6,828,726
Costs of goods sold:
Total costs of goods sold	1,697,543	1,956,679	5,219,720	6,199,783
Gross profit	192,611	212,518	583,688	628,943
Services
Net sales:
Total net sales	376,132	365,157	1,136,421	1,099,855
Costs of goods sold:
Total costs of goods sold	159,873	178,417	486,734	512,790
Gross profit	$ 216,259	$ 186,740	$ 649,687	$ 587,065

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479405/805-10-25-23