Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Data (Unaudited) [Abstract]

Quarterly Financial Information

	2016 Quarter Ended
	Dec. 31			Sept. 30			June 30			Mar. 31
	(In thousands, except per share amounts)
Net sales	$	229,799		$	300,795		$	288,977		$	238,911
Gross profit		66,771			95,644			87,076			72,996
Earnings from continuing operations		8,839			21,055			19,862			12,656
Loss from discontinued operations, net of taxes		(487	)		(425	)		(618	)		(452	)
Net earnings	$	8,352		$	20,630		$	19,244		$	12,204

Net earnings from continuing operations per common share:
Basic	$	0.39	$	0.93	$	0.87	$	0.56
Diluted	$	0.38	$	0.91	$	0.86	$	0.55
Net earnings per common share:
Basic	$	0.37	$	0.91	$	0.85	$	0.54
Diluted	$	0.36	$	0.89	$	0.84	$	0.53

	2015 Quarter Ended
	Dec. 31			Sept. 30			June 30			Mar. 31
	(In thousands, except per share amounts)
Net sales	$	204,967		$	270,037		$	269,382		$	227,589
Gross profit		62,786			81,553			72,760			63,889
Earnings from continuing operations		5,779			19,194			13,808			9,339
Loss from discontinued operations, net of taxes		(553	)		(728	)		(430	)		(391	)
Net earnings	$	5,226		$	18,466		$	13,378		$	8,948

Net earnings from continuing operations per common share:
Basic	$	0.26	$	0.84	$	0.60	$	0.41
Diluted	$	0.25	$	0.83	$	0.59	$	0.40
Net earnings per common share:
Basic	$	0.23	$	0.81	$	0.58	$	0.39
Diluted	$	0.23	$	0.80	$	0.58	$	0.39