INCOME TAXES: (Details) (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Components of income tax expense from operations
Current: Federal	$ 3,731,414	$ 3,754,455
Current: State	620,164	662,083
Current income tax expense	4,351,578	4,416,538
Deferred: Federal	625,137	1,711,375
Deferred: State	56,285	154,087
Deferred income tax expense	681,422	1,865,462
Income tax expense	5,033,000	6,282,000
Income tax rate (as a percent)
Statutory income tax rate (as a percent)	35.00%	35.00%
Summary of difference between the Company's income tax expense in the accompanying consolidated financial statements and that which would be calculated using the statutory income tax rate
Tax at statutory rate	4,340,196	5,021,112
Amortization of goodwill and other intangibles	(5,207)	(5,207)
Nondeductible business expenses	339,872	1,071,984
State income taxes, net of federal tax benefit	418,316	479,883
Valuation allowance, net operating losses	(4,389)	(165,460)
Other	(55,788)	(120,312)
Income tax expense	5,033,000	6,282,000
Current:
Allowance for doubtful accounts	427,450	425,373
Accrued expenses	1,208,999	1,095,108
Inventory	457,844	460,684
Other	92,384	8,392
Deferred tax assets - Current	2,186,677	1,989,557
Noncurrent:
Property and equipment	93,428	198,907
Net operating loss carry forwards-federal	425,884	471,926
Net operating loss carry forwards-state	623,434	627,823
Deferred tax assets - Noncurrent	1,142,746	1,298,656
Total deferred tax assets	3,329,423	3,288,213
Valuation allowance	(613,188)	(617,577)
Net deferred tax assets	2,716,235	2,670,636
Current:
Trade discounts	270,058	281,668
Deferred tax liabilities - Current	270,058	281,668
Noncurrent:
Property and equipment	2,165,674	1,729,853
Goodwill	968,024	886,943
Intangible assets	1,029,250	807,521
Deferred tax liabilities - Noncurrent	4,162,948	3,424,317
Total deferred tax liabilities	4,433,006	3,705,985
Net deferred tax assets (liabilities):
Current	1,916,619	1,707,889
Noncurrent	(3,633,390)	(2,743,238)
Net deferred tax assets (liabilities)	(1,716,771)	(1,035,349)
Net operating losses
Limitation on utilization of HNWC's net operating losses per year through 2022	100,000
Federal
Net operating losses
Net operating loss carryforwards	$ 1,300,000