Interim Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net sales:
Total net sales	$ 347,550	$ 268,635	$ 658,739	$ 583,083
Cost of sales	259,410	200,810	494,173	436,318
Gross profit	88,140	67,825	164,566	146,765
Selling, general and administrative expenses	50,887	41,551	98,217	92,799
Amortization expense	3,663	3,613	7,321	7,449
Income from operations	33,590	22,661	59,028	46,517
Interest expense	(2,854)	(3,941)	(5,467)	(9,460)
Interest income	293	306	581	662
Other income (expense), net	3,253	(1,288)	2,623	1,053
Income before income taxes	34,282	17,738	56,765	38,772
Provision for income taxes	8,245	4,749	13,266	10,255
Net Income	$ 26,037	$ 12,989	$ 43,499	$ 28,517
Net income per common share:
Basic (in dollars per share)	$ 2.20	$ 1.10	$ 3.68	$ 2.42
Diluted (in dollars per share)	$ 2.19	$ 1.10	$ 3.66	$ 2.41
Average common shares:
Basic (in shares)	11,842	11,778	11,831	11,769
Diluted (in shares)	11,902	11,842	11,892	11,835
Dividends declared (in dollars per share)	$ 0.14	$ 0.13	$ 0.28	$ 0.26
Industrial
Net sales:
Total net sales	$ 231,207	$ 182,257	$ 443,118	$ 412,232
Income from operations	19,934	13,898	36,025	32,215
Agricultural
Net sales:
Total net sales	116,343	86,378	215,621	170,851
Income from operations	$ 13,656	$ 8,763	$ 23,003	$ 14,302