Selected Quarterly Financial and Supplementary Data (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Quarterly Financial Information [Table Text Block]

	1st			2nd			3rd		4th
	Quarter			Quarter			Quarter		Quarter
2017
Gross sales	$	103,711		$	134,487		$	112,233	$	175,505
Net revenues		105,006			134,554			112,619		182,277
Gross profit		46,825			57,502			46,889		78,871
Income from continuing operations (1)		21,115			25,124			17,276		40,249
(Loss)/income from discontinued operations (3)		(1,250	)		(94	)		20		10
Net income		19,865			25,030			17,296		40,259
Earnings per share of common stock: (4)
Basic		0.61			0.77			0.53		1.23
Diluted		0.60			0.75			0.52		1.20
Average shares:
Basic		32,454			32,629			32,749		32,810
Diluted		33,365			33,469			33,512		33,532

	1st			2nd			3rd			4th
	Quarter			Quarter			Quarter			Quarter
2016
Gross sales	$	93,935		$	119,054		$	99,867		$	178,682
Net revenues		94,741			118,638			99,399			177,866
Gross profit		38,899			48,557			37,602			79,167
Income from continuing operations (2)		14,845			20,810			13,721			37,949
Loss from discontinued operations (3)		(263	)		(316	)		(4,503	)		(565	)
Net income		14,582			20,494			9,218			37,384
Earnings per share of common stock: (4)
Basic		0.46			0.64			0.29			1.16
Diluted		0.44			0.62			0.28			1.13
Average shares:
Basic		31,886			32,063			32,149			32,240
Diluted		32,771			32,926			32,999			33,107