Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt and Lines of Credit - Narrative (Details)

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Long-Term Debt and Lines of Credit - Narrative (Details)
 6 Months Ended 12 Months Ended
Dec. 26, 2023
USD ($)
Oct. 27, 2022
Mar. 31, 2024
USD ($)
a
Loan
Sep. 30, 2023
USD ($)
Apr. 30, 2021
a
Debt Instrument [Line Items]          
Adjusted fixed interest rate     3.85%    
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       $ 174,628,000  
Minimum current ratio       1.50  
Debt to total assets ratio       0.625  
Limit on capital expenditures       $ 30,000,000  
Fixed interest rate     5.35%    
Long-term debt     $ 84,380,000 103,976,000  
Silver Nip Citrus          
Debt Instrument [Line Items]          
Covenant ratio     1.00    
Grove Management Services          
Debt Instrument [Line Items]          
Area of land (in acres) | a         38,200
Met Fixed-Rate Term Loans          
Debt Instrument [Line Items]          
Long-term debt, gross     $ 70,000,000 70,000,000  
Met Fixed-Rate Term Loans | Silver Nip Citrus          
Debt Instrument [Line Items]          
Quarterly principal payments     $ 290,000    
Area of property that served as collateral (in acres) | a     5,700    
Number of fixed rate term loans | Loan     2    
Long-term debt     $ 27,550,000    
Met Variable-Rate Term Loans          
Debt Instrument [Line Items]          
Long-term debt, gross     0 19,094,000  
Revolving Credit Facility | Met Fixed-Rate Term Loans          
Debt Instrument [Line Items]          
Revolving line of credit     125,000,000    
Revolving Credit Facility | Met Variable-Rate Term Loans          
Debt Instrument [Line Items]          
Revolving line of credit     57,500,000    
RLOC          
Debt Instrument [Line Items]          
Revolving line of credit     25,000,000    
Outstanding standby letters of credit     25,000,000 $ 25,000,000  
Quarterly principal payments     $ 406,000    
LIBOR spread (as a percent)       0.25%  
Debt prepayment $ 19,094,000        
RLOC | Secured Overnight Financing Rate (SOFR)          
Debt Instrument [Line Items]          
LIBOR spread (as a percent)     1.75% 2.20%  
LIBOR spread subject to adjustment period     2 years 2 years  
RLOC | Met Variable-Rate Term Loans          
Debt Instrument [Line Items]          
Variable interest rate     7.56% 7.52%  
WCLC          
Debt Instrument [Line Items]          
Revolving line of credit     $ 70,000,000    
Availability under line of credit     $ 69,752,000 $ 45,030,000  
LIBOR spread (as a percent)     0.20%    
Variable interest rate     7.08% 7.07%  
WCLC | Minimum          
Debt Instrument [Line Items]          
LIBOR spread (as a percent)     0.20%    
WCLC | Maximum          
Debt Instrument [Line Items]          
LIBOR spread (as a percent)     0.30%    
WCLC | Letter of Credit          
Debt Instrument [Line Items]          
Revolving line of credit     $ 2,000,000    
WCLC | Secured Overnight Financing Rate (SOFR) | Minimum          
Debt Instrument [Line Items]          
LIBOR spread (as a percent)   1.75%   1.75%  
WCLC | Secured Overnight Financing Rate (SOFR) | Maximum          
Debt Instrument [Line Items]          
LIBOR spread (as a percent)   2.50%      
Financial Standby Letter of Credit          
Debt Instrument [Line Items]          
Letter of credit outstanding     248,000 $ 248,000  
Financial Standby Letter of Credit | Letter of Credit          
Debt Instrument [Line Items]          
Letter of credit outstanding     248,000 $ 248,000  
Metlife Term Loan | Citree          
Debt Instrument [Line Items]          
Revolving line of credit     $ 5,000,000    
Area of property that served as collateral (in acres) | a     1,200    
Fixed interest rate     5.28%