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Related Party Transactions (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 value per share | $ 1us-gaap_CommonStockParOrStatedValuePerShare | $ 1us-gaap_CommonStockParOrStatedValuePerShare |
| 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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| Professional and legal fees |
811,000us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts / 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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| 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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| Number of shares owned |
3,725,457us-gaap_InvestmentOwnedBalanceShares / 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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| JD Alexander [Member] | ||
| Related Party Transaction [Line Items] | ||
| Amount of transaction |
2,000,000us-gaap_RelatedPartyTransactionAmountsOfTransaction / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = alco_JDAlexanderMember |
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| Term of agreement | 2 years | |
| Ken Smith [Member] | ||
| Related Party Transaction [Line Items] | ||
| Amount of transaction |
$ 1,225,000us-gaap_RelatedPartyTransactionAmountsOfTransaction / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = alco_KenSmithMember |
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| Term of agreement | 2 years |
| X | ||||||||||
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- Definition
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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- Definition
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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- Definition
Amount of assets acquired at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
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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- Definition
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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- Definition
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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- Definition
Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Balance held at close of period in number of shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The parent entity's interest in net assets of the subsidiary, expressed as a percentage. No definition available.
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- Definition
Amount of transactions with related party during the financial reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
A description of the related party transaction, including transactions to which no amounts or nominal amounts were ascribed and such other information deemed necessary to an understanding of the effects of the transactions on the financial statements. Examples of common related party transactions are, sales, purchases and transfers of realty and personal property, services received or furnished, loans and leases to and from top management and affiliates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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