CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
CONSOLIDATED STATEMENTS OF OPERATIONS
Sales (including excise taxes of $386.1 million and $390.8 million, respectively)	$ 1,294,625,223	$ 1,281,855,896
Cost of sales	1,219,855,401	1,205,287,311
Gross profit	74,769,822	76,568,585
Selling, general and administrative expenses	61,733,220	62,769,438
Depreciation and amortization	2,162,667	2,264,184
Total operating expenses	63,895,887	65,033,622
Operating income	10,873,935	11,534,963
Other expense (income):
Interest expense	723,221	841,739
Other (income), net	(104,959)	(69,054)
Total other expenses (income)	618,262	772,685
Income from operations before income tax expense	10,255,673	10,762,278
Income tax expense	4,275,000	4,401,000
Net income	5,980,673	6,361,278
Preferred stock dividend requirements	(160,360)	(195,105)
Net income available to common shareholders	$ 5,820,313	$ 6,166,173
Basic earnings per share available to common shareholders (in dollars per share)	$ 9.37	$ 9.96
Diluted earnings per share available to common shareholders (in dollars per share)	$ 8.38	$ 8.59
Basic weighted average shares outstanding (in shares)	621,435	619,295
Diluted weighted average shares outstanding (in shares)	713,897	740,233
Dividends declared per common share	$ 1.00	$ 0.72
Dividends paid per common share	$ 1.00	$ 0.72