Quarterly report pursuant to Section 13 or 15(d)

Orange-Co Acquisition (Schedule of Pro-Forma Information) (Details)

v2.4.1.9
Orange-Co Acquisition (Schedule of Pro-Forma Information) (Details) (Orange-Co Acquisition [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Orange-Co Acquisition [Member]
   
Business Acquisition [Line Items]    
Revenues $ 16,687us-gaap_BusinessAcquisitionsProFormaRevenue
/ us-gaap_BusinessAcquisitionAxis
= alco_OrangeCoAcquisitionMember
$ 23,530us-gaap_BusinessAcquisitionsProFormaRevenue
/ us-gaap_BusinessAcquisitionAxis
= alco_OrangeCoAcquisitionMember
Income from operations (2,302)us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax
/ us-gaap_BusinessAcquisitionAxis
= alco_OrangeCoAcquisitionMember
568us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax
/ us-gaap_BusinessAcquisitionAxis
= alco_OrangeCoAcquisitionMember
Net income (loss) attributable to common shareholder $ 5,332us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
/ us-gaap_BusinessAcquisitionAxis
= alco_OrangeCoAcquisitionMember
$ (467)us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
/ us-gaap_BusinessAcquisitionAxis
= alco_OrangeCoAcquisitionMember
Basic earnings per common share $ 0.72us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic
/ us-gaap_BusinessAcquisitionAxis
= alco_OrangeCoAcquisitionMember
$ (0.06)us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic
/ us-gaap_BusinessAcquisitionAxis
= alco_OrangeCoAcquisitionMember
Diluted earnings per common share $ 0.72us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted
/ us-gaap_BusinessAcquisitionAxis
= alco_OrangeCoAcquisitionMember
$ (0.06)us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted
/ us-gaap_BusinessAcquisitionAxis
= alco_OrangeCoAcquisitionMember