Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Consolidated Statements of Operations
Net sales	$ 597,963	$ 588,541	$ 575,337
Cost of goods sold	482,024	496,272	476,927
Gross profit	115,939	92,269	98,410
Selling and administrative expenses	71,256	66,651	64,807
Amortization expense	3,112	2,961	2,791
Interest expense	485	542	622
Interest income	(659)	(452)	(321)
Equity in income of nonconsolidated investment	(1,316)	(837)	(707)
Other income	(1,054)	(426)	(1,434)
Total Operating Expenses	71,824	68,439	65,758
Income from continuing operations before income taxes	44,115	23,830	32,652
Income tax expense	14,839	9,066	10,585
Income from continuing operations	29,276	14,764	22,067
Discontinued operations:
Income from discontinued operations before income taxes	23	3,842	1,287
Income tax expense	9	2,418	459
Income from discontinued operations	14	1,424	828
Net income	$ 29,290	$ 16,188	$ 22,895
Basic earnings per common share:
From continuing operations	$ 2.88	$ 1.46	$ 2.16
From discontinued operations	$ 0.00	$ 0.14	$ 0.08
Basic earnings per common share	$ 2.88	$ 1.60	$ 2.24
Diluted earnings per common share:
From continuing operations	$ 2.85	$ 1.44	$ 2.14
From discontinued operations	$ 0.00	$ 0.14	$ 0.08
Diluted earnings per common share	$ 2.85	$ 1.58	$ 2.22
Dividends paid per common share	$ 0.12	$ 0.10	$ 0.10