Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net sales	$ 330,804	$ 367,365	$ 668,868	$ 749,417
Costs and expenses
Cost of materials sold (excludes items shown seperately below)	261,854	295,878	528,008	602,556
Warehouse and processing	21,559	21,003	42,065	42,225
Administrative and general	18,170	17,508	36,319	35,882
Distribution	8,981	9,219	17,955	18,278
Selling	6,371	6,763	12,957	13,904
Occupancy	2,322	2,115	4,921	4,438
Depreciation	5,301	4,913	10,594	9,683
Amortization	222	222	444	444
Total costs and expenses	324,780	357,621	653,263	727,410
Operating income	6,024	9,744	15,605	22,007
Other income (loss), net	(41)	5	(17)	39
Income before interest and income taxes	5,983	9,749	15,588	22,046
Interest and other expense on debt	1,668	2,183	3,366	4,291
Income before income taxes	4,315	7,566	12,222	17,755
Income tax provision	1,790	3,040	4,533	6,999
Net income	2,525	4,526	7,689	10,756
Net loss on interest rate hedge, net of tax	(128)	(403)	(131)	(403)
Total comprehensive income	$ 2,397	$ 4,123	$ 7,558	$ 10,353
Earnings per share:
Net income per share - basic (in Dollars per share)	$ 0.23	$ 0.41	$ 0.70	$ 0.98
Weighted average shares outstanding - basic (in Shares)	11,062	10,960	11,059	10,956
Net income per share - diluted (in Dollars per share)	$ 0.23	$ 0.41	$ 0.69	$ 0.98
Weighted average shares outstanding - diluted (in Shares)	11,072	10,989	11,067	10,987