Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net sales	$ 74,650	$ 73,482
Cost of sales	53,427	54,406
Gross profit	21,223	19,076
Selling, general and administrative expenses	17,633	16,673
Gain on sale of assets	(2)	(25)
Other expense	204	177
Income from operations	3,388	2,251
Interest expense	140	78
Interest income	(24)	(39)
Income before income taxes	3,272	2,212
Income tax expense	829	831
Net income	$ 2,443	$ 1,381
Basic and diluted earnings per share: (in dollars per share)	$ 0.21	$ 0.12
Cash dividends declared per share: (in dollars per share)	$ 0.02	$ 0.005