CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
CONSOLIDATED STATEMENTS OF EARNINGS [Abstract]
Revenue	$ 361,076	$ 344,287	$ 1,088,303	$ 1,039,816
Cost of products sold	239,318	229,216	710,696	697,538
Selling and administrative expenses	74,265	68,113	222,081	212,670
Operating income	47,493	46,958	155,526	129,608
Interest expense	3,672	3,037	9,748	9,792
Earnings (loss) before income taxes	43,821	43,921	145,778	119,816
Income taxes	7,773	10,009	34,012	28,300
Net earnings	$ 36,048	$ 33,912	$ 111,766	$ 91,516
Weighted average number of common shares outstanding:
Basic (in shares)	41,896	42,024	41,885	42,140
Diluted (in shares)	42,242	42,206	42,199	42,287
Earnings per common share:
Basic (in dollars per share)	$ 0.86	$ 0.81	$ 2.67	$ 2.17
Diluted (in dollars per share)	0.85	0.8	2.65	2.16
Dividends declared per common share (in dollars per share)	$ 0.41	$ 0.39	$ 1.23	$ 1.17