Letter of credit maximum limit allowable for issue.

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- Definition

Mandatory redemption of bonds annual amount.

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No definition available.

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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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Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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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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No definition available.

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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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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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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 CCYY-MM-DD format.

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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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Fixed interest rate related to the interest rate derivative.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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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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The lowest amount of net worth (total assets minus total liabilities) required by secondary market investors or state-imposed regulatory mandates.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity.

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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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Long-Term Debt (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended	9 Months Ended
Long-Term Debt (Narrative) (Details) - USD ($)	Jun. 29, 2019	Mar. 30, 2019	Mar. 30, 2019	Jun. 29, 2019	Sep. 29, 2018	Jun. 30, 2013	Dec. 31, 2010
Debt Instrument [Line Items]
Maximum amount of unused letters of credit allowed to issue	$ 20,000,000			$ 20,000,000
Unused letters of credit issued	9,700,000			9,700,000
Monthly principal amortization				500,000
Change in fair value of interest rate swap	(1,036,759)			(1,191,486)
Other long-term liabilities	41,402,174			41,402,174	$ 42,158,161
Property and equipment with undepreciated cost pledge as collateral for long term debt	200,000,000			200,000,000
Excess net worth calculated under covenants in the Notes, the Bonds, and the Line	122,000,000			122,000,000
Interest Rate Swap Derivative Contract Liability [Member]
Debt Instrument [Line Items]
Derivative notional amount	$ 50,000,000			$ 50,000,000
Derivative, fixed interest rate	3.92%			3.92%
Change in fair value of interest rate swap		$ 800,000	$ 900,000
Other long-term liabilities	$ 1,200,000			$ 1,200,000
Interest Rate Swap Derivative Contract Liability [Member] \| One-Month LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument variable interest rate				1.65%
Senior Notes, Interest Rate of 5.75%, Maturing 2023 [Member]
Debt Instrument [Line Items]
Debt instrument principal amount						$ 700,000,000
Maturity period of senior notes				2023
Debt instrument stated interest rate						5.75%
Redemption period of senior notes description				redeem all or a portion of the Notes at any time on or after June 15, 2018
Recovery Zone Facility Bonds [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.
Total amount of bonds funded							$ 99,700,000
Annual amount of redemption of bonds	4,500,000			$ 4,500,000
Mandatory bonds redemption beginning period				Jan. 01, 2014
Credit Line [Member]
Debt Instrument [Line Items]
Debt maturity date				Sep. 30, 2022
Line of credit facility borrowing capacity	175,000,000			$ 175,000,000
Borrowings outstanding	$ 0			$ 0