Summary Quarterly Financial Data

12 Months Ended

Dec. 31, 2011

Summary Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

Summary Quarterly Financial Data

	As of December 31, 2011
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(unaudited, dollars in thousands, except for per share data)
Net sales	$	258,560	$	288,090	$	277,660	$	259,650
Gross profit	71,820		88,290		81,940		75,650
Income from continuing operations	10,690		16,010		16,980		7,130
Income from discontinued operations, net of income taxes	1,060		1,080		1,290		6,120
Net income	11,750		17,090		18,270		13,250
Earnings per share—basic:
Continuing operations	$	0.32	$	0.47	$	0.49	$	0.21
Discontinued operations	0.03		0.03		0.04		0.18
Net income per share	$	0.35	$	0.50	$	0.53	$	0.39
Weighted average shares—basic	33,913,610		34,215,734		34,417,879		34,437,097
Earnings per share—diluted:
Continuing operations	$	0.31	$	0.46	$	0.49	$	0.20
Discontinued operations	0.03		0.03		0.03		0.18
Net income per share	$	0.34	$	0.49	$	0.52	$	0.38
Weighted average shares—diluted	34,599,076		34,769,576		34,901,277		34,961,772

	As of December 31, 2010
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(unaudited, dollars in thousands, except for per share data)
Net sales	$	210,430	$	241,790	$	237,730	$	212,510
Gross profit	61,110		75,620		72,070		62,250
Income from continuing operations	5,180		14,170		11,950		7,630
Income (loss) from discontinued operations, net of income taxes	250		7,260		770		(1,940		)
Net income	5,430		21,430		12,720		5,690
Earnings (loss) per share—basic:
Continuing operations	$	0.15	$	0.42	$	0.36	$	0.23
Discontinued operations	0.01		0.21		0.02		(0.06		)
Net income per share	$	0.16	$	0.63	$	0.38	$	0.17
Weighted average shares—basic	33,569,677		33,794,647		33,827,939		33,852,165
Earnings (loss) per share—diluted:
Continuing operations	$	0.15	$	0.41	$	0.35	$	0.22
Discontinued operations	0.01		0.21		0.02		(0.06		)
Net income per share	$	0.16	$	0.62	$	0.37	$	0.16
Weighted average shares—diluted	34,314,020		34,437,418		34,512,820		34,561,391