Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net sales	$ 338,064	$ 382,052
Costs and expenses
Cost of materials sold (excludes items shown seperately below)	266,154	306,678
Warehouse and processing	20,506	21,222
Administrative and general	18,149	18,374
Distribution	8,974	9,059
Selling	6,586	7,141
Occupancy	2,599	2,323
Depreciation	5,293	4,770
Amortization	222	222
Total costs and expenses	328,483	369,789
Operating income	9,581	12,263
Other income, net	23	34
Income before interest and income taxes	9,604	12,297
Interest and other expense on debt	1,698	2,108
Income before income taxes	7,906	10,189
Income tax provision	2,743	3,959
Net income	5,163	6,230
Net loss on interest rate hedge, net of tax $2	(3)
Total comprehensive income	$ 5,160	$ 6,230
Earnings per share:
Net income per share - basic (in Dollars per share)	$ 0.47	$ 0.57
Weighted average shares outstanding - basic (in Shares)	11,034	10,988
Net income per share - diluted (in Dollars per share)	$ 0.47	$ 0.57
Weighted average shares outstanding - diluted (in Shares)	11,042	10,997