Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Quarterly Results of Operations

Quarterly Results of Operations

(Unaudited)

	First		Second		Third		Fourth
2018
Net sales	$	113,530	$	118,021	$	118,859	$	120,073
Gross margin	$	38,433	$	41,813	$	42,082	$	42,645
Operating earnings	$	13,359	$	14,544	$	16,118	$	17,017
Net earnings	$	11,548	$	7,209	$	10,211	$	17,564
Basic earnings per share	$	0.35	$	0.22	$	0.31	$	0.53
Diluted earnings per share	$	0.34	$	0.21	$	0.30	$	0.52
2017
Net sales	$	100,154	$	105,686	$	106,243	$	110,910
Gross margin	$	34,224	$	35,794	$	37,538	$	32,875
Operating earnings (loss)	$	12,196	$	13,208	$	13,111	$	(19	)
Net earnings (loss)	$	8,484	$	9,966	$	9,619	$	(13,621	)
Basic earnings (loss) per share	$	0.26	$	0.30	$	0.29	$	(0.41	)
Diluted earnings (loss) per share	$	0.25	$	0.30	$	0.29	$	(0.41	)