Consolidated Statements of Operations (Unaudited) (USD $) Share data in Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Tons sold
Direct	$ 266,713	$ 228,532	$ 561,600	$ 429,556
Toll	18,692	23,958	41,147	44,424
Total tons sold	285,405	252,490	602,747	473,980
Net sales	299,000,000	212,756,000	593,381,000	380,657,000
Costs and expenses
Cost of materials sold (excludes items shown separately below)	238,618,000	169,410,000	469,580,000	301,946,000
Warehouse and processing	16,371,000	13,049,000	31,961,000	23,621,000
Administrative and general	13,667,000	10,327,000	26,878,000	19,212,000
Distribution	6,139,000	5,080,000	12,347,000	9,136,000
Selling	5,127,000	4,804,000	10,931,000	8,681,000
Occupancy	1,667,000	1,243,000	3,493,000	2,643,000
Depreciation	3,512,000	3,259,000	6,979,000	6,505,000
Total costs and expenses	285,101,000	207,172,000	562,169,000	371,744,000
Operating income	13,899,000	5,584,000	31,212,000	8,913,000
Interest and other expense on debt	826,000	521,000	1,631,000	1,027,000
Income before income taxes	13,073,000	5,063,000	29,581,000	7,886,000
Income tax provision	5,127,000	1,809,000	11,312,000	2,921,000
Net income	$ 7,946,000	$ 3,254,000	$ 18,269,000	$ 4,965,000
Earnings per share:
Net income per share - basic	$ 0.73	$ 0.30	$ 1.67	$ 0.46
Weighted average shares outstanding - basic	10,935	10,905	10,935	10,905
Net income per share - diluted	$ 0.73	$ 0.30	$ 1.67	$ 0.45
Weighted average shares outstanding - diluted	10,947	10,922	10,947	10,920