Quarterly Results of Operations (UNAUDITED)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

QUARTERLY RESULTS OF OPERATIONS (UNAUDITED)

QUARTERLY RESULTS OF OPERATIONS (UNAUDITED)

(Dollars in thousands, except per share amounts)	2017
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Net sales	$	203,828	$	201,424	$	206,783	$	209,008
Gross margin	$	80,350	$	80,546	$	82,188	$	75,491
Net income	$	27,032	$	20,896	$	25,532	$	6,999
Net income per share:
Basic	$	1.50	$	1.15	$	1.40	$	0.38
Diluted	$	1.47	$	1.13	$	1.37	$	0.37

(Dollars in thousands, except per share amounts)	2016
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Net sales	$	160,566	$	157,489	$	165,259	$	173,000
Gross margin	$	60,508	$	60,199	$	61,929	$	66,849
Net income	$	14,928	$	5,377	$	16,065	$	11,913
Net income per share:
Basic	$	0.83	$	0.30	$	0.89	$	0.66
Diluted	$	0.82	$	0.29	$	0.88	$	0.65