Unaudited Selected Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Unaudited Selected Quarterly Financial Data

The following tables show selected unaudited quarterly results of operations for 2020 and 2019. The quarterly data has been prepared on the same basis as the audited annual financial statements and include all adjustments, which include only normal recurring adjustments, necessary for the fair statement of our results of operations for these periods.

	2020
	March 31,		June 30,		September 30,		December 31,		Year Ended December 31,
Net Sales	$	302,713	$	233,022	$	281,910	$	340,272	$	1,157,917
Gross Profit	30,705		34,283		16,152		52,608		133,748
Net Income	8,576		11,429		(692)		26,764		46,077
Earnings per share – basic (1)	0.31		0.41		(0.02)		0.95		1.64
Earnings per share – diluted (1)	0.31		0.41		(0.02)		0.94		1.64

	2019
	March 31,		June 30,		September 30,		December 31,		Year Ended December 31,
Net Sales	$	314,895	$	345,215	$	310,633	$	326,650	$	1,297,393
Gross Profit	48,015		42,087		30,510		14,860		135,472
Net Income	20,174		15,346		7,921		(2,094)		41,347
Earnings per share – basic (1)	0.70		0.54		0.29		(0.08)		1.47
Earnings per share – diluted (1)	0.68		0.53		0.28		(0.08)		1.43

(1) Total for the full year may differ from the sum of the individual quarters due to the requirement to use weighted average shares each quarter which may fluctuate with share repurchases and share issuances.