Mandatory redemption of bonds annual amount.

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Mandatory redemption of bonds annual start date.

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Maturity period of senior note.

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Property and equipment with undepreciated cost pledge as collateral for long term debt.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Description of reference rate used for variable rate of debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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End date of debt instrument redemption period, in YYYY-MM-DD format.

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Fixed interest rate related to the interest rate derivative.

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Date the derivative contract matures, in YYYY-MM-DD format.

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Nominal or face amount used to calculate payment on derivative.

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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.

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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.

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Amount of minimum net worth required for mortgage banking as defined by regulatory framework.

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Amount of noncurrent assets classified as other.

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Amount, after tax and adjustments, of gain (loss) from increase (decrease) in value of excluded component of derivative designated and qualifying as hedge, attributable to parent. Adjustments include, but are not limited to, reclassifications for sale and settlement, and amounts recognized under systematic and rational method.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Amount of unrealized gain (loss) related to derivatives designated as cash flow hedging instruments, recorded in results of operations to the extent that the cash flow hedge is determined to be ineffective.

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Long-Term Debt (Narrative) (Details) - USD ($)		1 Months Ended	3 Months Ended
Long-Term Debt (Narrative) (Details) - USD ($)	Dec. 31, 2019	Jun. 30, 2021	Dec. 24, 2022	Dec. 25, 2021	Sep. 24, 2022	Sep. 30, 2017	Dec. 31, 2010
Debt Instrument [Line Items]
Other comprehensive income, net of tax			$ (1,150,507)	$ 1,410,887
Other Assets			45,478,485		$ 44,752,886
Secured borrowing						$ 60,000,000
Annual amount of redemption of bonds			$ 4,500,000
Mandatory bonds redemption beginning period			Jan. 01, 2014
Mandatory bonds redemption period end date			Dec. 17, 2029
Property and equipment with undepreciated cost pledge as collateral for long term debt			$ 260,000,000.0
Excess net worth calculated under covenants in the Notes, the Bonds, and the Line			406,100,000
Cash Flow Hedging [Member]
Debt Instrument [Line Items]
Other comprehensive (loss)/ income, net of income taxes			(1,200,000)	$ 1,400,000
Unrealized gain on cash flow hedge			(14,900,000)
Interest Rate Swap at Fixed Rate of 3.92% [Member]
Debt Instrument [Line Items]
Derivative notional amount			$ 29,000,000.0
Derivative, fixed interest rate	2.95%		3.92%
Derivative maturity date			Oct. 01, 2027
Monthly principal amortization			$ 500,000
Interest Rate Swap at Fixed Rate of 3.92% [Member] \| One-Month LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate			1.65%
Interest Rate Swap at Fixed Rate of 2.95% [Member]
Debt Instrument [Line Items]
Derivative notional amount	$ 130,500,000
Derivative, fixed interest rate	2.95%
Monthly principal amortization	$ 650,000
Interest Rate Swap at Fixed Rate of 2.95% [Member] \| One-Month LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate	1.50%
Senior Notes, Interest Rate of 4.00%, Maturing 2031 [Member]
Debt Instrument [Line Items]
Debt instrument principal amount		$ 350,000,000.0
Maturity period of senior notes		2031
Debt instrument stated interest rate		4.00%
Line Of Credit Maturing September 2022 [Member]
Debt Instrument [Line Items]
Debt maturity date			Jun. 01, 2026
Line of credit facility borrowing capacity			$ 150,000,000.0
Facility Bonds Due 2036 [Member]
Debt Instrument [Line Items]
Debt maturity date			Jan. 01, 2036
Description of interest rate on bonds			The interest rate on the Bonds is equal to one-month LIBOR (adjusted monthly) plus a credit spread, adjusted to reflect the income tax exemption.
Debt instrument outstanding amount			$ 59,000,000.0				$ 99,700,000
Credit Line [Member]
Debt Instrument [Line Items]
Borrowings outstanding			$ 0
Credit Line [Member] \| Unused Letters Of Credit [Member]
Debt Instrument [Line Items]
Line of credit facility borrowing capacity		$ 10,000,000.0
Loan [Member]
Debt Instrument [Line Items]
Debt maturity date	Jan. 01, 2030
Derivative notional amount	$ 155,000,000