Unaudited: Quarterly Results of Operations, Common Stock Price and Dividends (Tables)

12 Months Ended

Dec. 31, 2022

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

	Quarter ended
	March 31		June 30		September 30		December 31
	(In thousands, except per share data)
2022
Net sales	$	132,402	$	137,833	$	148,009	$	147,324
Gross margin		50,723		54,760		57,522		56,965
Net earnings		14,360		16,664		17,933		17,539
Earnings per share:
Basic	$	0.49	$	0.57	$	0.61	$	0.60
Diluted		0.49		0.57		0.61		0.60
Dividends declared		0.20		0.20		0.23		0.23
Stock price:
High	$	108.76	$	102.67	$	103.30	$	120.54
Low		85.55		73.20		76.88		88.16
Quarter-end close		99.71		80.89		92.39		109.03
2021
Net sales	$	117,842	$	122,869	$	128,738	$	135,748
Gross margin		49,362		50,102		51,184		54,835
Net earnings		13,781		13,972		15,855		17,276
Earnings per share:
Basic	$	0.47	$	0.48	$	0.54	$	0.59
Diluted		0.47		0.48		0.54		0.59
Dividends declared		0.18		0.18		0.20		0.20
Stock price:
High	$	111.77	$	100.01	$	108.25	$	112.36
Low		88.98		89.29		93.88		99.13
Quarter-end close		93.07		98.12		101.14		105.64