Description of Business and Basis of Presentation (Details) (USD $)
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6 Months Ended | |
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Mar. 31, 2015
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Sep. 30, 2014
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Related Party Transaction [Line Items] | ||
Common Stock, Par or Stated Value Per Share | $ 1us-gaap_CommonStockParOrStatedValuePerShare | $ 1us-gaap_CommonStockParOrStatedValuePerShare |
Land [Member] | ||
Related Party Transaction [Line Items] | ||
Area of land owned |
121,000us-gaap_AreaOfRealEstateProperty / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandMember |
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Mineral Rights [Member] | ||
Related Party Transaction [Line Items] | ||
Area of land owned |
90,000us-gaap_AreaOfRealEstateProperty / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_MiningPropertiesAndMineralRightsMember |
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Silver Nip Citrus Agreement [Member] | ||
Related Party Transaction [Line Items] | ||
Number of shares issuable |
923,257us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_BusinessAcquisitionAxis = alco_SilverNipCitrusAgreementMember |
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Amount of indebtedness |
$ 40,278,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt / us-gaap_BusinessAcquisitionAxis = alco_SilverNipCitrusAgreementMember |
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Other liabilities |
6,952,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther / us-gaap_BusinessAcquisitionAxis = alco_SilverNipCitrusAgreementMember |
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Book value of assets acquired |
65,739,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets / us-gaap_BusinessAcquisitionAxis = alco_SilverNipCitrusAgreementMember |
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Net assets acquired |
18,509,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = alco_SilverNipCitrusAgreementMember |
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Professional and legal fees |
$ 811,000us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts / us-gaap_BusinessAcquisitionAxis = alco_SilverNipCitrusAgreementMember |
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734 Agriculture [Member] | ||
Related Party Transaction [Line Items] | ||
Ownership interest in subsidiary |
51.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
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Silver Nip [Member] | 734 Agriculture [Member] | ||
Related Party Transaction [Line Items] | ||
Ownership interest in subsidiary |
74.89%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = alco_SilverNipMember |
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Silver Nip [Member] | Mr Wilson [Member] | ||
Related Party Transaction [Line Items] | ||
Ownership interest in subsidiary |
5.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = alco_MrWilsonMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = alco_SilverNipMember |
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Silver Nip [Member] | Rio Verde Ventures, LLC [Member] | ||
Related Party Transaction [Line Items] | ||
Ownership interest in subsidiary |
20.11%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = alco_RioVerdeVenturesLlcMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = alco_SilverNipMember |
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Area of a real estate property. No definition available.
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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. No definition available.
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Number of shares of equity interests issued or issuable to acquire entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of assets acquired at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The parent entity's interest in net assets of the subsidiary, expressed as a percentage. No definition available.
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