Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data (Unaudited)

Quarterly Financial Data (Unaudited)

Summarized quarterly financial data is as follows:

	2014
(In thousands, except per share amounts)	March 31,		June 30,		September 30,		December 31,
Net sales	$	129,845	$	146,315	$	147,780	$	138,389
Gross profit	36,546		43,558		45,115		41,681
Operating income	5,990		11,674		13,785		9,831
Net income	4,273		8,488		10,871		8,902
Earnings per share (1):
Basic	$	0.27	$	0.54	$	0.69	$	0.56
Diluted	$	0.26	$	0.53	$	0.68	$	0.55
Shares used in computing earnings per share:
Basic	15,787		15,784		15,723		15,831
Diluted	16,163		16,141		16,103		16,204

	2013
(In thousands, except per share amounts)	March 31,		June 30,		September 30,		December 31,
Net sales	$	114,722	$	136,109	$	142,389	$	136,134
Gross profit	32,549		37,836		40,449		40,628
Operating income	3,895		9,976		10,471		7,812
Net income	2,946		5,841		8,623		5,553
Earnings per share (1):
Basic	$	0.20	$	0.39	$	0.56	$	0.36
Diluted	$	0.19	$	0.38	$	0.55	$	0.35
Shares used in computing earnings per share:
Basic	14,965		15,098		15,324		15,602
Diluted	15,225		15,419		15,743		16,011

⁽¹⁾  The earnings per common share calculations for each of the quarters were based upon the weighted average number of shares and share equivalents outstanding during each period, and the sum of the quarters may not be equal to the full year earnings per share amounts.