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Long-Term Debt and Lines of Credit - Narrative (Details) |  |  |  |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 01, 2016 USD ($) | Dec. 03, 2014 USD ($) a | Sep. 04, 2014 USD ($) a loan | Mar. 04, 2014 USD ($) | Sep. 30, 2018 USD ($) loan | Mar. 31, 2018 USD ($) | Sep. 30, 2017 USD ($) | Feb. 15, 2015 USD ($) | Sep. 30, 2014 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  |  |  | $ 174,349,000 |  | $ 186,476,000 |  |
Deferred financing costs |  |  |  |  | 1,563,000 |  | $ 1,767,000 |  |
Minimum debt service coverage ratio |  | 1.10 |  |  |  |  |  |  |
Tangible net worth |  | $ 160,000,000 |  |  |  |  |  |  |
Percentage of consolidated net income |  | 10.00% |  |  |  |  |  |  |
Annual increase of tangible net worth |  |  |  |  | 162,300,000 |  |  |  |
Covenant ratio |  | 1.50 |  |  |  |  |  |  |
Debt to total assets ratio |  | 0.625 |  |  |  |  |  |  |
Limit on capital expenditures |  | $ 30,000,000 |  |  |  |  |  |  |
RLOC |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  | $ 25,000,000 |  |  |  |  |  |  |
Annual commitment fee (as a percent) |  | 0.25% |  |  |  |  |  |  |
Availability under line of credit |  |  |  |  | $ 25,000,000 |  |  |  |
RLOC | 90 Day London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate spread |  | 1.65% |  |  |  |  |  |  |
WCLC |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  | $ 70,000,000 |  |  |  |  |  |  |
Variable interest rate (as a percentage) |  |  |  |  | 3.85% |  | 2.99% |  |
Availability under line of credit |  |  |  |  | $ 57,015,000 |  |  |  |
Outstanding letters of credit |  |  |  |  | $ 10,300,000 |  |  |  |
WCLC | One Month London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate spread |  |  |  |  | 1.75% |  |  |  |
WCLC | One Month London Interbank Offered Rate (LIBOR) | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate spread |  | 0.25% |  |  |  |  |  |  |
Annual commitment fee (as a percent) |  | 0.03% |  |  |  |  |  |  |
WCLC | One Month London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate spread |  | 1.75% |  |  |  |  |  |  |
Annual commitment fee (as a percent) |  | 0.02% |  |  |  |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt issuance costs, gross |  |  |  |  | $ 123,000 |  | $ 123,000 |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt issuance costs, gross |  |  |  |  |  |  |  |  | $ 2,834,000
Deferred financing costs |  |  |  |  | 1,357,000 |  | 1,655,000,000 |  | $ 339,000
Metlife Term Loan | Citree |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  |  |  | $ 5,000,000 |  |  |  |  |
Outstanding balance |  |  |  |  | 4,925,000 |  | 5,000,000 |  |
Deferred financing costs |  |  |  |  | 44,000 |  | 49,000 |  |
Interest rate |  |  |  | 5.28% |  |  |  |  |
Fixed Interest Rate Term Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate term loans |  | $ 125,000,000 |  |  | 95,938,000 |  | 99,062,000 |  |
Quarterly principal payments |  | $ 2,281,250 |  |  |  |  |  |  |
Fixed interest rate (as a percentage) |  | 4.15% |  |  |  |  |  |  |
Availability under line of credit |  |  |  |  | 5,625,000 |  |  |  |
Deferred financing costs |  |  |  |  | 836,000 |  | 954,000 |  |
Prepayment amount of the fixed term loan (up to) |  | $ 8,750,000 |  |  |  |  |  |  |
Variable Interest Rate Term Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate term loans |  | $ 57,500,000 |  |  | $ 46,719,000 |  | $ 49,594,000 |  |
LIBOR spread subject to adjustment period |  | 2 years |  |  |  |  |  |  |
Variable interest rate (as a percentage) |  |  |  |  | 3.99% |  | 2.96% |  |
Deferred financing costs |  |  |  |  | $ 385,000 |  | $ 439,000 |  |
Variable Interest Rate Term Loans | 90 Day London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Variable rate spread |  | 1.65% |  |  |  |  |  |  |
Pru Loans A & B |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  |  |  | 17,417,000 |  | 23,030,000 |  |
Deferred financing costs |  |  |  |  | 241,000 |  | 258,000 |  |
Pru Loans A & B | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  |  |  | 27,550,000 |  |  |  |
Quarterly principal payments |  |  |  |  | $ 290,000 |  |  |  |
Fixed interest rate (as a percentage) |  |  |  |  | 5.35% |  |  |  |
Amount of prepayment |  |  |  |  |  | $ 4,453,000 |  | $ 750,000 |
Number of fixed rate term loans | loan |  |  |  |  | 2 |  |  |  |
Prepayment amount of the fixed term loan (up to) |  |  |  |  | $ 5,000,000 |  |  |  |
Prepayment without penalty, amount exceeded |  |  |  |  | 203,000 |  |  |  |
Premium payments |  |  |  |  | 22,000 |  |  |  |
Pru Loan E |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  |  |  | 4,675,000 |  | 4,895,000 |  |
Deferred financing costs |  |  |  |  | 17,000 |  | 25,000 |  |
Pru Loan F |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  |  |  | 4,675,000 |  | 4,895,000 |  |
Deferred financing costs |  |  |  |  | 40,000 |  | 42,000 |  |
Silver Nip Citrus Debt | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Deferred financing costs |  |  |  |  | 298,000 |  | $ 325,000 |  |
Silver Nip Citrus Debt | Line of Credit | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Limited guaranty and security agreement | $ 8,000,000 |  |  |  |  |  |  |  |
Silver Nip Citrus Debt | Line of Credit | Maximum | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Current covenant ratio | 1.50 |  |  |  |  |  |  |  |
Silver Nip Citrus Debt | Line of Credit | Minimum | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Current covenant ratio | 1.00 |  |  |  |  |  |  |  |
Prudential | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate term loans |  |  | $ 5,500,000 |  |  |  |  |  |
Quarterly principal payments |  |  | $ 55,000 |  |  |  |  |  |
Number of fixed rate term loans | loan |  |  | 2 |  |  |  |  |  |
Prudential | Pru Loan E | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Fixed interest rate (as a percentage) |  |  | 3.85% |  |  |  |  |  |
Prudential | Pru Loan F | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Fixed interest rate (as a percentage) |  |  | 3.45% |  |  |  |  |  |
Prudential | Citrus Grove | Silver Nip Citrus |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Area of land owned (in acres) | a |  |  | 1,500 |  |  |  |  |  |
Citrus Groves |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Area of land (in acres) | a |  | 38,200 |  |  |  |  |  |  |
Farm and Ranch Land |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Area of land (in acres) | a |  | 5,762 |  |  |  |  |  |  |
Letter of Credit | WCLC |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving line of credit |  | $ 20,000,000 |  |  |  |  |  |  |
Outstanding balance |  |  |  |  | $ 2,685,000 |  |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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