Consolidated Statements of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011	Dec. 31, 2010
Net sales	$ 1,383,701		$ 1,261,872	$ 805,043
Costs and expenses
Cost of materials sold (excludes items shown separately below)	1,113,852		1,008,462	650,398
Warehouse and processing	84,389		72,429	51,478
Administrative and general	68,253		59,156	39,233
Distribution	35,009		28,489	19,407
Selling	27,635		24,943	19,802
Occupancy	8,671		7,879	5,320
Depreciation	19,971		15,602	13,303
Amortization	889		444
Goodwill impairment	6,583
Total costs and expenses	1,365,252		1,217,404	798,941
Operating income	18,449	[1]	44,468	6,102
Asset impairment charge of joint venture real estate	36		953
Other (income) and expense, net	(83)		77
Income before interest and income taxes	18,496		43,438	6,102
Interest and other expense on debt	8,357		5,953	2,305
Income before income taxes	10,139		37,485	3,797
Income tax provision	7,862		12,515	1,665
Net income	2,277		24,970	2,132
Net loss on interest rate hedge, net of tax $362	(579)
Total comprehensive income	$ 1,698		$ 24,970	$ 2,132
Net income per share - basic (in Dollars per share)	$ 0.21		$ 2.28	$ 0.20
Weighted average shares outstanding - basic (in Shares)	10,989		10,937	10,905
Net income per share - diluted (in Dollars per share)	$ 0.21		$ 2.28	$ 0.20
Weighted average shares outstanding - diluted (in Shares)	10,995		10,951	10,918

[1] Operating income includes $6,583 of goodwill impairment charges related to the Company's flat products Southern region in the 4th quarter of 2012.