Consolidated Statement of Income - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net sales	$ 218,530	$ 222,420	$ 680,520	$ 648,140
Cost of sales	(170,200)	(163,980)	(517,800)	(480,340)
Gross profit	48,330	58,440	162,720	167,800
Selling, general and administrative expenses	(32,110)	(27,620)	(94,480)	(90,170)
Net gain (loss) on disposition of property and equipment	4,760	0	4,540	(130)
Operating profit	20,980	30,820	72,780	77,500
Other expense, net:
Interest expense	(3,600)	(3,440)	(10,510)	(11,110)
Debt financing and related expenses	0	0	0	(10,520)
Other income (expense), net	860	(540)	850	(800)
Other expense, net	(2,740)	(3,980)	(9,660)	(22,430)
Income before income tax expense	18,240	26,840	63,120	55,070
Income tax expense	(4,940)	(7,250)	(15,790)	(10,580)
Net income	$ 13,300	$ 19,590	$ 47,330	$ 44,490
Basic earnings per share
Net income per share	$ 0.32	$ 0.46	$ 1.12	$ 1.03
Weighted average common shares—basic	41,995,027	42,889,922	42,363,919	43,061,707
Diluted earnings per share
Net income per share	$ 0.32	$ 0.45	$ 1.11	$ 1.03
Weighted average common shares—diluted	42,181,440	43,094,099	42,590,777	43,345,777

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227