Applicable premium if using the percentage of principal amount.

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Applicable premium if treasury rate basis spread is used.

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Represents the percentage ownership of the debt instrument that enables the holders to declare the debt instrument due and payable by providing notice to the Company, in the event of default.

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Ration of consolidated cash flows to the fixed charges for the relevant period.

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The ratio of consolidated net debt outstanding secured by a priority lien to consolidated cash flow.

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The amount of call premium related to the redemption of the debt instrument.

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The percentage of call premium related to the redemption of the debt instrument.

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Ratio of consolidated Net debt outstanding that is secured by a lien on any property the company owns to consolidated cash flows.

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The amount of increase (decrease) in annual interest expense during the period.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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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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Amount of the required periodic payments applied to interest.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Percentage of principal amount of debt redeemed.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Date the declared dividend will be paid, in CCYY-MM-DD format.

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Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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No definition available.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Amount of cash paid for interest. Includes, but is not limited to, payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Note N - Long-term Debt (Details Textual) - USD ($)						1 Months Ended	6 Months Ended
Note N - Long-term Debt (Details Textual) - USD ($)	Nov. 16, 2017	Nov. 01, 2017	Sep. 14, 2017	Mar. 27, 2015	Mar. 10, 2015	Nov. 16, 2017	Sep. 24, 2017	Sep. 25, 2016	Sep. 30, 2017
Interest Paid							$ 6,750,000	$ 6,750,000
Dividends Payable, Amount Per Share									$ 5
Common Stock, Dividends, Per Share, Declared					$ 25
Dividends Payable, Date of Record					Mar. 20, 2015
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared		$ 5
Increase (Decrease) in Annual Interest Expense		$ (3,562,500)
Dividends Payable, Date to be Paid		Jan. 04, 2018
Dividends Payable, Date of Record		Dec. 22, 2017
Special Cash Dividend [Member]
Dividends, Cash					$ 116,100,000
Common Stock, Dividends, Per Share, Declared				$ 25
Senior Notes [Member]
Debt Instrument, Fixed Charge Coverage Ratio					2
Debt Instrument, Priority Secured Leverage Ratio					0.4
Debt Instrument Secured Leverage Ratio					3.75
Debt Instrument, Event of Default, Percentage Ownership Enabling the Declaration of Due and Payable					25.00%
Senior Notes [Member] \| In The Event of Certain Equity Offerings [Member]
Debt Instrument, Redemption Price, Percentage					106.625%
Senior Notes [Member] \| In the Event of Chang of Control Offer [Member]
Debt Instrument, Redemption Price, Percentage					101.00%
Senior Notes [Member] \| In the Event the Company Sells Certain Assets and Fails to Use the Proceeds as Required [Member]
Debt Instrument, Redemption Price, Percentage					100.00%
Senior Notes [Member] \| Senior Secured 2020 Notes [Member]
Debt Instrument, Face Amount					$ 135,000,000
Debt Instrument, Interest Rate, Stated Percentage					10.00%
Debt Issuance Costs, Gross					$ 5,985,000
Debt Instrument, Term					5 years
Interest Paid			$ 6,750,000
Senior Notes [Member] \| Senior Secured 2020 Notes [Member] \| Scenario, Forecast [Member]
Debt Instrument, Redemption, Call Premium, Percent	5.00%					5.00%
Debt Instrument, Redemption, Call Premium, Amount	$ 6,750,000					$ 6,750,000
Write off of Deferred Debt Issuance Cost	2,725,000
Senior Notes [Member] \| Senior Secured 2025 Notes [Member] \| Subsequent Event [Member]
Debt Instrument, Interest Rate, Stated Percentage		6.625%
Proceeds from Issuance of Debt		$ 150,000,000
Repayments of Debt	$ 144,000,000
Interest Expense, Debt						$ 562,500
Debt Instrument, Periodic Payment, Interest		$ 4,968,750
Senior Notes [Member] \| Option to Redeem Notes at Redemption Price Equal to the Percentage of Principal Amount plus the Applicable Premium [Member]
Debt Instrument, Redemption Price, Percentage					100.00%
Senior Notes [Member] \| Option to Redeem Notes at Redemption Price Equal to the Percentage of Principal Amount plus the Applicable Premium [Member] \| Applicable Premium if Percentage of Principal Amount is Greater than Treasury Rate Basis Spread [Member]
Debt Instrument, Applicable Premium, Percentage of Principal Amount					1.00%
Senior Notes [Member] \| Option to Redeem Notes at Redemption Price Equal to the Percentage of Principal Amount plus the Applicable Premium [Member] \| Applicable Premium if Treasury Rate Basis Spread is Greater than Percentage of Principal Amount [Member] \| Treasury Rate [Member]
Debt Instrument, Applicable Premium, Treasury Rate Basis Spread					0.50%
Senior Notes [Member] \| Option to Redeem at Redemption Price Equal to Percentage of Principal Amount [Member] \| In The Event of Certain Equity Offerings [Member] \| Maximum [Member]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed					35.00%