Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net sales	$ 303,990	$ 342,560	$ 972,858	$ 1,091,977
Costs and expenses
Cost of materials sold (exclusive of items show below)	240,974	276,504	768,980	879,060
Warehouse and processing	20,953	21,667	63,019	63,892
Administrative and general	15,617	16,765	51,937	52,647
Distribution	8,739	8,682	26,694	26,960
Selling	5,986	7,085	18,942	20,989
Occupancy	2,200	2,057	7,121	6,495
Depreciation	5,124	4,953	15,718	14,636
Amortization	223	223	667	667
Total costs and expenses	299,816	337,936	953,078	1,065,346
Operating income	4,174	4,624	19,780	26,631
Other income (loss), net	(1)	51	(18)	90
Income before interest and income taxes	4,173	4,675	19,762	26,721
Interest and other expense on debt	1,689	2,120	5,055	6,411
Income before income taxes	2,484	2,555	14,707	20,310
Income tax provision	1,144	916	5,678	7,915
Net income	1,340	1,639	9,029	12,395
Net gain (loss) on interest rate hedge, net of tax	41	(165)	(90)	(568)
Total comprehensive income	$ 1,381	$ 1,474	$ 8,939	$ 11,827
Earnings per share:
Net income per share - basic (in Dollars per share)	$ 0.12	$ 0.15	$ 0.82	$ 1.13
Weighted average shares outstanding - basic (in Shares)	11,066	10,961	11,061	10,958
Net income per share - diluted (in Dollars per share)	$ 0.12	$ 0.15	$ 0.82	$ 1.13
Weighted average shares outstanding - diluted (in Shares)	11,077	10,967	11,071	10,967