Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Net sales	$ 601,538	$ 623,649	$ 584,733
Cost of sales	423,260	462,370	415,179
Gross profit	178,278	161,279	169,554
Selling expenses	60,752	60,261	55,398
General and administrative expenses	86,665	78,400	69,840
Operating Expenses	147,417	138,661	125,238
Operating income	30,861	22,618	44,316
Interest
Income	(1,317)	(127)	(213)
Expense	10,316	8,662	4,744
Interest expense, net	8,999	8,535	4,531
Income from continuing operations before income taxes	21,862	14,083	39,785
Income tax expense	7,809	5,122	13,343
Income from continuing operations	14,053	8,961	26,442
Income (loss) from discontinued operations, net of tax	3,709	(17,642)	(440)
Net income (loss)	$ 17,762	$ (8,681)	$ 26,002
Income per common share from continuing operations:
Basic	$ 0.46	$ 0.28	$ 0.78
Diluted	0.45	0.27	0.77
Income (loss) per common share from discontinued operations:
Basic	0.12	(0.55)	(0.01)
Diluted	0.12	(0.54)	(0.01)
Net income (loss) per share:
Basic	0.58	(0.27)	0.77
Diluted	0.57	(0.27)	0.76
Dividends declared per share	$ 0.54	$ 0.52	$ 0.36