Unaudited Quarterly Results of Operations (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Results of Operations

Unaudited Quarterly Results of Operations:

Year ended December 31, 2018

	Fourth Quarter			Third Quarter		Second Quarter		First Quarter
Net Sales	$	469,151		$	228,483	$	237,323	$	240,385
Gross Profit		151,690			71,940		78,255		74,226
Net income (1)		(4,980	)		12,313		19,007		9,001
Earnings per share — Basic
Net income	$	(0.08	)	$	0.42	$	0.66	$	0.31
Earnings per share — Diluted
Net income	$	(0.08	)	$	0.42	$	0.66	$	0.31
(1) Includes restructuring costs by quarter	$	2,330		$	610	$	566	$	943

Year ended December 31, 2017

	Fourth Quarter		Third Quarter		Second Quarter		First Quarter
Net Sales	$	223,322	$	214,623	$	223,357	$	215,435
Gross Profit		68,470		69,013		72,126		66,167
Net income (1)		12,440		13,277		15,384		10,326
Earnings per share — Basic
Net income	$	0.43	$	0.46	$	0.53	$	0.36
Earnings per share — Diluted
Net income	$	0.43	$	0.46	$	0.53	$	0.36
(1) Includes restructuring costs by quarter	$	367	$	680	$	1,198	$	1,898