Condensed Consolidated Statements of Income (Loss) (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements of Income (Loss) [Abstract]
Net sales	$ 176,805	$ 175,906	$ 370,246	$ 362,329
Cost of sales	132,772	141,955	274,188	283,465
Gross profit	44,033	33,951	96,058	78,864
Selling, general and administrative expenses	35,360	33,960	75,016	68,392
Operating income (loss)	8,673	(9)	21,042	10,472
Interest expense, net	1,153	1,851	2,391	3,651
Income (loss) before income taxes	7,520	(1,860)	18,651	6,821
Income taxes (benefit)	2,862	(761)	7,274	2,390
Net income (loss)	$ 4,658	$ (1,099)	$ 11,377	$ 4,431
Income (loss) per common share:
Basic and diluted	$ 0.13	$ (0.03)	$ 0.32	$ 0.13
Dividends per share	$ 0.070	$ 0.065	$ 0.140	$ 0.130

Aggregate dividends declared during the period for each share of common stock outstanding.

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