Condensed Consolidated Statements of Operations (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Sales (including excise taxes of $86.1 million and $70.8 million, and $176.6 million and $152.1 million, respectively)	$ 275,829,266	$ 216,603,039	$ 559,392,316	$ 461,560,200
Cost of sales	256,612,867	200,233,927	521,538,240	427,583,366
Gross profit	19,216,399	16,369,112	37,854,076	33,976,834
Selling, general and administrative expenses	15,901,755	12,909,642	31,251,757	26,597,013
Depreciation and amortization	613,927	507,133	1,227,421	1,004,716
Total operating expenses	16,515,682	13,416,775	32,479,178	27,601,729
Operating income	2,700,717	2,952,337	5,374,898	6,375,105
Other expense (income):
Interest expense	319,841	263,872	743,951	648,455
Other (income), net	(93,874)	(45,211)	(245,138)	(68,092)
Total other expenses (income)	225,967	218,661	498,813	580,363
Income from operations before income tax	2,474,750	2,733,676	4,876,085	5,794,742
Income tax expense	1,010,000	1,149,000	1,973,000	2,378,000
Net income	1,464,750	1,584,676	2,903,085	3,416,742
Preferred stock dividend requirements	(66,906)	(73,239)	(134,547)	(148,106)
Net income available to common shareholders	$ 1,397,844	$ 1,511,437	$ 2,768,538	$ 3,268,636
Basic earnings per share available to common shareholders: (in dollars per share)	$ 2.26	$ 2.56	$ 4.47	$ 5.60
Diluted earnings per share available to common shareholders: (in dollars per share)	$ 1.87	$ 2.05	$ 3.70	$ 4.47
Basic weighted average shares outstanding (in shares)	619,480	589,454	619,705	583,986
Diluted weighted average shares outstanding (in shares)	784,429	771,738	785,281	765,067